value of element by id from variable

JavaScript and client side scripting.

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newbie85
Forum Newbie
Posts: 1
Joined: Tue Mar 29, 2011 6:38 am

value of element by id from variable

Post by newbie85 »

To get value of element by id from document is very easy:
var example = document.getElementById('myId');

But what if I would like to get value by id myId from the variable:

Code: Select all

var example1 ='<div><span>sdf</span><a href="example.html" id="myId">lorem ipsum</a></div>'
Is there any way?
Reviresco
Forum Contributor
Posts: 172
Joined: Tue Feb 19, 2008 4:18 pm
Location: Milwaukee

Re: value of element by id from variable

Post by Reviresco »

Code: Select all

var example1 ='<div><span>sdf</span><a href="example.html" id="myId">lorem ipsum</a></div>':
var split1 = example1.split('id="');
var split2 = split1[1].split('"');
var the_id = split2[0];
alert(the_id);
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