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JavaScript method to get the first link ID in a web page_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:05:481598browse

The example in this article describes the method of using JavaScript to obtain the first link ID in a web page. Share it with everyone for your reference. The details are as follows:

The following JS code obtains the array of all hyperlinks in the web page through document.links, and then obtains the ID attribute of the first link 

<!DOCTYPE html>
<html>
<body>
<h1>sharejs.com</h1>
<img src ="planets.gif" width="145" height="126" 
alt="Planets" usemap ="#planetmap">
<map name="planetmap">
<area id="sun" shape="rect" coords="0,0,82,126" 
href="sun.htm" alt="Sun">
<area id="mercury" shape="circle" coords="90,58,3" 
href="mercur.htm" alt="Mercury">
<area id="venus" shape="circle" coords="124,58,8" 
href="venus.htm" alt="Venus">
</map>
<p><a id="javascript" href="/js/">JavaScript Tutorial</a>
</p>
<p>Id of first area/link:
<script>
document.write(document.links[0].id);
</script></p>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming design.

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