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Changed from Web Programming to Web Applications category
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Javascript can access elements of a webpage by referring to their ID values. The following line of HTML is for a link that has an id of "url" and points to "http://www.yahoo.com": | Javascript can access elements of a webpage by referring to their ID values. The following line of HTML is for a link that has an id of "url" and points to "http://www.yahoo.com": | ||
< | <source lang="html"> | ||
<a id="url" href="http://www.yahoo.com">testing</a> | <a id="url" href="http://www.yahoo.com">testing</a> | ||
</ | </source> | ||
The following Javascript code will find the Element with an id value of ''url'', and will then set the href attribute of it to "http://www.msdn.com" | The following Javascript code will find the Element with an id value of ''url'', and will then set the href attribute of it to "http://www.msdn.com" | ||
< | <source lang="js"> | ||
// This line fetches and handle to the Element with id ''url'' and returns it to the variable ''link'' | // This line fetches and handle to the Element with id ''url'' and returns it to the variable ''link'' | ||
link=document.getElementById('url'); | link=document.getElementById('url'); | ||
// This line sets the href attribute of the link item to "http://www.msdn.com" | // This line sets the href attribute of the link item to "http://www.msdn.com" | ||
link.href="http://www.msdn.com"; | link.href="http://www.msdn.com"; | ||
</ | </source> | ||
==External Links== | ==External Links== | ||
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[[Category: Web | [[Category: Web Applications]] | ||