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JavaScript is a scripting language that allows us to add real programming to your webpages.
You can create small application type processes with javascript, like a calculator or a primitive game of some sort.
However, there are more serious uses for javascript. |
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Browser Detection:
Detecting the browser used by a visitor at your page. Depending on the browser, another page specifically designed for that browser can then be loaded. |
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Cookies:
Storing information on the visitor's computer, then retrieving this information automatically next time the user visits your page. This technique is called "cookies". |
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Control Browsers:
Opening pages in customized windows, where you specify if the browser's buttons, menu line, status line or whatever should be present. |
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Validate Forms:
Validating inputs to fields before submitting a form. An example would be validating the entered email address to see if it has a “@” in it, since if not, it's not a valid address. |
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Case Study:
www.medicalethics.com - JavaScript “Mouseover” navigation. |
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