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[DOC File]PROGRAMMERS NOTEBOOK
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The onMouseOver event tells the browser that once a mouse is rolled over the image, the browser should execute a function that will replace the image with another image. The onMouseOut event tells the browser that once a mouse is rolled away from the image, another JavaScript function …
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[DOCX File]How to Put a JavaScript Into an HTML Page
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JavaScript was designed to add interactivity to HTML pages. JavaScript is usually . embedded directly into HTML pages. JavaScript is an . interpreted. language (means that scripts execute without preliminary compilation) What can a JavaScript Do? JavaScript gives HTML designers a programming tool - JavaScript is a scripting language with a very ...
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[DOC File]Chapter 3: JavaScript
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function nameOfTheFunction(){execute these JavaScript statements} Once you define the function, you can execute all its statements with the single statement that follows: nameOfTheFunction(); Using a function as the value of an event handler avoids problems caused by quotation marks within the quotation marks around the value.
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[DOCX File]The setInterval() Method
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The setInterval() method will wait a specified number of milliseconds, and then execute a specified function, and it will continue to execute the function, once at every given time-interval. Syntax. window.setInterval(" javascript function ", milliseconds); The window.setInterval() method can be written without the window prefix.
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[DOC File]JavaScript is THE scripting language of the Web
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Rules for JavaScript variable names: Variable names are case sensitive (y and Y are two different variables) Variable names must begin with a letter or the underscore character . Note: Because JavaScript is case-sensitive, variable names are case-sensitive. Example. A variable's value can change during the execution of a script.
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[DOCX File]Index [memberfiles.freewebs.com]
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If you declare a variable outside a function, all the functions on your page can access it. The lifetime of these variables starts when they are declared, and ends when the page is closed. Loops execute a block of code a specified number of times, or while a specified condition is true.
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[DOC File]JavaScript is sometimes referred to as a programming ...
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When JavaScript detects that an event has occurred, it can execute functions to perform various tasks, depending on the JavaScript statements contained in the functions. For the rollover effect, you want to initially display the first image on the screen when the page is loaded and then swap the image for the second image when the mouse pointer ...
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[DOCX File]How to Put a JavaScript Into an HTML Page
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JavaScript is usually . embedded directly into HTML pages. JavaScript is an . interpreted. language (means that scripts execute without preliminary compilation) What can a JavaScript Do? JavaScript gives HTML designers a programming tool - JavaScript is a scripting language with a very simple syntax. JavaScript can put dynamic text into an HTML ...
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[DOCX File]JavaScript: Writing Into HTML Output
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JavaScript . Functions. A function is a block of code that will be executed when "someone" calls it: JavaScript Function Syntax. A function is written as a code block (inside curly { } braces), preceded by the . function. keyword: function . functionname (){some code to be executed} The code inside the function will be executed when "someone ...
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[DOCX File]Chapter 02: Working with Functions, Data Types, and Operators
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A variable’s scope can be either global or local. A global variable is one that is declared outside a function and is available to all parts of your code. A local variable is declared inside a function and is available only within the function in which it is declared. Local variables cease to exist when a function …
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Javascript execute function variable