Term
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Definition
| Number, string, Boolean, null, Object |
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Definition
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Definition
| Any string of alphanumeric characters |
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Definition
| True or false values only |
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Definition
| A special keyword for the null value |
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Term
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Definition
| a reference to a JavaScript object |
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Term
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Definition
Actual data values you provide to JavaScript
1.Integer literal
2.Floating-point literal
3.String literal |
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Term
| Rules for naming variables |
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Definition
1.first character must be a letter or underscore
2.subsequent characters can be letters numbers, and/or unerscore |
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Term
| How do you declare a variable? |
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Definition
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Term
| True or False: JavaScript is case sensitive |
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Definition
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Term
| What are the JavaScript Expressions? |
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Definition
| Assignment, Arithmetic, String, Logical |
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Term
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Definition
| Assigns a value to a variable. |
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Term
| What is the Aritmetic expression |
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Definition
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Term
| What is the String expression |
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Definition
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Term
| What is the Logical expression |
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Definition
| evaluates to true or false |
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Term
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Definition
| Used in expressions to store or return a value. |
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Term
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Definition
| Assigns the value of the right operand to the left operand |
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Term
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Definition
| Adds together the operands and assigns the result to the left operand. |
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Term
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Definition
| Subtracts the right operand from the left operand and assigns the result to the left operand. |
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Term
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Definition
| Multiplies together the operands and assigns the result to the left operand. |
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Term
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Definition
| Divides the left operand by the right operand and assigns the result to the left operand. |
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Term
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Definition
| Divides the left operand by the right operand and assigns th remainder to the left operand. |
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Term
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Definition
| Adds the operands together. |
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Term
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Definition
| Subtracts the right operand from the left operand. |
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Term
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Definition
| Multiplies the operands together. |
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Term
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Definition
| Divides the left operand by the right operand. |
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Term
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Definition
| Divides the left operand by the right operand and calculates the remainder. |
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Term
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Definition
| The logical "and"; evaluates to tru when both operands are true. |
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Term
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Definition
| The logical "or"; evaluates to true when either operand is true. |
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Term
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Definition
| The logical "not"; evaluates to true if the operand is false and to false if the operand is true. |
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Term
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Definition
| Evaluates to true if the operands are equal. |
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Term
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Definition
| Evaluates to true if the operands are not equal. |
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Term
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Definition
| Evaluates to true if the left operand is less than the right operand. |
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Term
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Definition
| Evaluates to true if the left operand is less than the right operand |
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Term
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Definition
| Evaluates to true if the left operand is greater than or equal to the right operand. |
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Term
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Definition
| Evaluates to true if the left operand is greater than or equal to the right operand. |
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Term
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Definition
| Combines the operands into a single string. |
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Term
| Operator: (condition) ? val1 : val2 |
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Definition
| evaluates to one of two different values based on a condition. |
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Term
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Definition
| Increases t he value of the supplied operand by one. |
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Term
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Definition
| Negates the value of the operand. |
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Term
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Definition
| Decreases the value of the supplied opernad by one. |
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Term
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Definition
| A named block of code that can be called when needed. Can return a value. |
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Term
| How do you define a function? |
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Definition
| When you encompass agroup of script statements into a function block. |
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Term
| What is the syntax for a function? |
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Definition
function functionName (argument1, argument2,...){
//statements here
} |
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Term
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Definition
| A value or expression containing data or code that is passed on to a function or procedure. |
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Term
| Where do you define all of your functions? |
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Definition
| In the HEAD element of your HTML page. |
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Term
| True or False: Arguments or paremeters, are values passed into a function from outside the function. |
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Definition
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Term
| What statement returns values to the calling statement. |
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Definition
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Term
| Where can a value be assigned that is returned from a function? |
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Definition
| A variable or it can be used as an expression. |
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Term
| How do you make a variable local? |
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Definition
| Declare within a function. |
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Term
| How do you make a variable global? |
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Definition
| Declare it outside of a function, usually at the start of a script. |
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Term
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Definition
| Occurs when the loading of an image is aborted |
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Term
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Definition
| Occus when input focus is removed from a form element. |
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Term
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Definition
| Occurs when the user clicks on a link or form element |
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Term
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Definition
| Occurs when a user changes the value of a form field. |
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Term
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Definition
| Occur when an error takes place while a page or image is loading. |
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Term
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Definition
| Occurs when a user gives input or focus to a form element. |
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Term
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Definition
| Occurs when a page is loaded into the browser. |
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Term
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Definition
| Occurs when the user moves the mouse pointer over a link or area object. |
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Term
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Definition
| Occurs when the mouse pointer leaves a link or area object. |
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Term
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Definition
| Occurs when a form's REset button is clicked. |
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Term
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Definition
| Occurs when the user slects the text in a form field. |
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Term
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Definition
| Occurs when a form's Submit button is clicked. |
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Term
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Definition
| Occurs when a page is unloaded from the browser. |
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Term
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Definition
| Button, Reset, Submit, Radio, Checkbox, link, area |
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Term
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Definition
| Radio, Checkbox, text, textarea, select |
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Term
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Definition
| Radio, Checkbox, text, textarea, select |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| converts a string to its integer equivalent |
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Term
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Definition
| converts a string to its floating-point decimal equivalent |
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Term
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Definition
| gives the ability to branch to one of two processes depending on the result of some test condition that you have scripted. |
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Term
| What is a while statement used for? |
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Definition
| To execute a block of code for as long as a certain test condtion is true. |
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Term
| what does the isNAN() function stand for? |
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Definition
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Term
| True or False: the do...while statement operates like the while statement |
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Definition
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Term
| Does the do...while statement check the conditional expression the first time through? |
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Definition
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Term
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Definition
| It repeats a group of statements for some particular range of values. |
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Term
| True or false: the "break" statement exits a loop that would otherwise continue to execute. |
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Definition
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Term
| What does the "continue" statement do? |
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Definition
| It is used to force the flow of control back to the top of a loop. |
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Term
| True or False: The "continue" statement can be used in an "if...else" statement. |
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Definition
False
It can only be used inside a "for" or "while" loop. |
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Term
| "A more efficient method for evaluating a large number of test conditions |
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Definition
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Term
| How do you exit the "switch" statement? |
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Definition
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Term
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Definition
-highest-level object
-represents the frame of the browser and the mechanisms associated with it. |
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Term
| What is used to depict the heirarchy of objects? |
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Definition
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Term
True or False:
the status property refers to the text string displayed in the status bar at the bottom of the browser window |
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Definition
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Term
True or False:
the document object is superior to the window object. |
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Definition
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Term
| What provides the properties and methods to work with many aspects of the current document.? |
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Definition
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Term
True or False:
the document object is defined in the HEAD of the HTML page. |
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Definition
False:
defined in the BODY tag |
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Term
| What do you statement is made to use several properties and/or methods with a single object? |
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Definition
| the "the" with statement. |
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Term
| Where does the image object reside? |
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Definition
| Beneath the document object. |
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Term
| What are the properties of the "image" object? |
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Definition
| src, height and width, length, lowsrc, complete, hspace and vspace. |
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Term
| What are teh properties and methods of the "history" object |
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Definition
Properties: length
Methods:back(), forward(), go(x) |
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Term
| True or False" The location is object is subordinate to the windo object. |
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Definition
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Term
| Properties of "location" object |
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Definition
href
protocol
host
hostname
port
pathname
search
hash |
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Term
| What is the most common element in any program? |
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Definition
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Term
| Do you need to create a formal string object to use string object properties? |
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Definition
| No, javascript is flexible in this regard. |
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Term
True or False:
the string object provides predefined methods for formatting text. |
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Definition
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Term
| What are the special characters for string object and what do the do? |
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Definition
\b backspace
\f form feed
\n new line
\r carriage return
\t tab
\" double quotation mark
\' single quotation mark
\\backslash |
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Term
| This property allows you to create your own methods and properties for the string object |
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Definition
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Term
| Why would you want to test the lenght of a string? |
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Definition
| to validate form submissions such as email addresses or credit card numbers. |
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Term
True or False:
The indexOf() method returns the index value for the starting position of the last occurrence of the search text specified. |
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Definition
False:
the indexOf() method tests for the presence of a given character and returns an index value representing the character's position in the string. |
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Term
| Why would you invoke a lastindexOf() method? |
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Definition
| In case you wanted to return the starting position of the LAST occurrence of the search text |
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Term
| What method allows you to examine and extract a portion of a string? |
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Definition
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Term
| what is the generic syntax for the substring() method? |
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Definition
| string.substring(startingIndexPosition, endingIndexPosition); |
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Term
| When would you want to use the charAt()method? |
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Definition
| When you want to extract a character that occurs at a specific position in a string. |
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Term
| What's the generic syntax for the charAt() method? |
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Definition
| string.charAt(indexPosition); |
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Term
True or False:
Regular expressions provide a mechanism whereby programmers can search for specified patterns in text |
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Definition
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Term
| What is the name of the object used to invoke regular expressions? |
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Definition
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Term
| How do regular expressions identify a pattern of text? |
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Definition
| By using a a string of characters and/or symbols. |
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Term
| How do you mark the beginning and the end of a regular expression? |
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Definition
| by using two forward slashes. One placed at the beginning of the expression and one placed at the end. |
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Term
| What string objects methods are used with regular expressions and what do they do? |
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Definition
split()-splits a string and returns an array of subsrings
replace()- replaces a string text
search()-searches a string of text and returns the index position of a string.
match()-returns an array of matched text instead of an index position. |
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Term
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Definition
| a single variable with multiple "slots" for different values. |
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Term
| What are some common Array object methods? |
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Definition
join()-creates a string of an array's value
reverse()-used to reverse the order of an array's elements.
sort()-arranges the leements of an array in a particular order |
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Term
True or False:
you can use date and time information through the Array object. |
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Definition
False:
the only way to use date and time information in JavaScript is through the Date object. |
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Term
| What is the Math object used for? |
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Definition
| It contains properties and methods that help you create advanced mathematical calculations. |
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Term
| Does the Math object hold a value? |
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Definition
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Term
| What's the basic syntax for capturing the value generated from the Math object? |
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Definition
| var myMathValue = Math.method(value); |
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Term
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Definition
| scriptable button other than a Submit or Reset button |
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Term
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Definition
| check box is used to submit a yes/no or true/false option |
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Term
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Definition
| a hidden field containing a name/value pair that is submitted unseen and unchaged by the user. |
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Term
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Definition
| a single-line text box that displays input as asterisks (***) to mask data entry. |
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Term
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Definition
| an option buitton in aset of mutually exclusive option buttons |
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Term
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Definition
| a reset button used torestore default values in form elements. |
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Term
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Definition
| a selection list from which a single choice or multiple choices can be made |
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Term
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Definition
| a submit button used to send the contents of a form to a server. |
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Term
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Definition
| a single-line text field used for data entry |
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Term
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Definition
| a scrolling text box used for data entry. |
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Term
| What two ways can you refer to a form element? |
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Definition
| by its name or by its index number in the form objects elements array. |
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Term
True or False:
the form object represents the an A++ form in JavaScript |
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Definition
False:
the form object represents an HTML form in JavaScript |
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Term
True or False:
Each form on a page is representd by a one all encompassing instance of the form object. |
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Definition
False:
each form on a page is represented by a seperate instance of the form object. |
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Term
| What are the common properties, methods, and event handlers in the form object |
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Definition
action-reset()-onReset
elements-submit()-onSubmit
encoding
length
method
name
target |
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Term
| What is the main event handler associated with the checkbox object. |
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Definition
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Term
| What are the commonly used properties,methods and event handlers related to the text and textarea objects? |
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Definition
defaultValue-blur()-onBlur
form--onChange
name-focus()-onFocus
value-select()-onSelect |
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Term
| What are the commonly used properties, methods and event handlers related to the radio object? |
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Definition
checked-click()-onClick
defautlChecked
form
length
name
value |
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Term
| what is the select object? |
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Definition
| It is a drop-down list or list box of items used in an HTML form. |
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Term
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Definition
| small pieces of information sent from a server to a client's computer and stored in memory. |
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Term
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Definition
| They are sent from a server to a clien't browser in the HTTP response header |
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Term
| Concerning cookies; What two actions occur when a user generates an HTTP request? |
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Definition
1. any cookies already on the client's system that match the server's domain can be passed along in the request header.
2. a server can send a cookie back in the HTTP response header. |
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Term
| What parameters can be in a cookie? |
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Definition
| name, expires, pat, domain, secure |
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Term
| What does a cookie header look like to your browser? |
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Definition
| Set-Cookie: name=value; expires=date; path=path; domain=domain; secure |
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Term
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Definition
| a server can set, or deposit a cookie only if a user visits that particular site. |
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Term
| How many total cookies can a user have on his/her hard drive? |
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Definition
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Term
| How many cookies can a domain store on a users hard drive? |
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Definition
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Term
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Definition
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Term
| What are common reasons to use cookies? |
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Definition
-aids use authentication
-store user information
-state maintenance |
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Term
| What is the generic syntax for a cookie? |
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Definition
| document.cookie = "name = value"; |
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Term
| How do you clear a cookie? |
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Definition
| add an expiration date that has already passed. |
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Term
| What two ways can you target frames in JavaScript |
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Definition
1. By target name
2. By the frame's number in the frames array. |
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Term
| What are you targeting when you target the parent frame? |
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Definition
| the file containing the frameset in which the currently selected frame is defined. |
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Term
| How do you change any combination of frames at any time? |
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Definition
| Write a simple function that includes two or more location.href statements. |
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Term
| How do you reference a function or variable stored in a file other than the one from which the function or variable is being called? |
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Definition
you need the appropriate reference.
example:
relationship.frameName.variableName; |
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Term
| What variable targets documents in other windows? |
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Definition
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Term
| What property is used to open a new window |
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Definition
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Term
| What object is used to create custome objects? |
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Definition
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Term
| What does a constructor do? |
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Definition
| It creates an empty template from which real-time objects, called instances can be generated. |
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