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5 Cards in this Set
- Front
- Back
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what type of language is Javascript?
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Javascript is an "interpretator" scripting language, meaning it requires a compatible browser to execute its lines of command. The only compatible browsers available are Netscape, from which the language was primarily originated for, and Explorer. There are several versions of Javascript.
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How to include JavaScript commands
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Whenever you want to add Javascript codes to your HTML document, you must open with the tag <script> and include the following information: type, and src (if you have one). "type" indicates what type of language is being used, and "src" is required if you want to attached an external document. Thus, it should look like this:
<script src="filename.js"> You must end with the tag </script> |
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How to include JavaScript commands in a Web page
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Javascript can be formatted into HTML tags, <head> tag, external file, or the body of your document.
If you place Javascript coding in HTML tags, such as <body> and <form>, the <script> tag is not necessary as Javascript and HTML will be executed together. If you place Javascript in the body of the document, the <script> tags are required. Coding can become very complex and complicated. When this is the case, the coding should be placed in a new file entirely and save with the extension .js. When Javascript coding is inserted <head>, the coding cannot provide output for the user, but can be refered back to |
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What Web scripting is, and what it's good for
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Web scripting is essentially a simplified, and condensed form of programming. It is good when you want to incoorporate user interaction into your application, if you want the application to compute, and if you want the application to make decisions
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How different Web browsers handle JavaScript
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The only compatible browsers available are Netscape, from which the language was primarily originated for, and Explorer. Since there are several versions of Javascript, you must carefully examine which browser supports the version you desire to use, and proceed accordingly from there.
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