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POChanging getElementById to getElementsByClassName
 

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    <p>I am sure is a common problem in JS, i have created resizing function using JS, initially this function was only going to be used on one item of my site, however now i have chosen to use it on multiple items. My JS function currently uses <code>document.getElementById(id);</code> however i want to change this so it looks out for the class name <code>.resize</code>. How can this be done? Below is a snippet of my JS </p> <pre><code>function ebi(id){ return document.getElementById(id); } if(ebi('resize') .complete==true){ iscale(ebi('')); } ebi('resize') .onload=function(){iscale(this); } function iscale(o){ //alert(o.width); var sar=o.width/o.height; var tar=1,tiw,tih,xoff,yoff; if(o.width&lt;=425&amp;&amp;o.height&lt;=467){ tiw=o.width; tih=o.height; }else if(tar&gt;sar){ tiw=425*sar; tih=467; } else{ tiw=425; tih=467/sar; } xoff=(680-tiw)&gt;&gt;1; yoff=(209-tih)&gt;&gt;1; //alert(xoff); o.width=tiw;o.height=tih; o.style.top=yoff+"px"; o.style.left=xoff+"px"; } function $(id){return document.getElementById(id);} </code></pre> <p>html</p> <pre><code> &lt;section id="homeSlide" class="shadow"&gt; &lt;img id="resize"class='opaque' src="http://www.colette.fr/media/push/pony_01239.jpg" /&gt; &lt;img id="resize" src="http://www.colette.fr/media/push/EGIFT_01234.jpg" /&gt; &lt;img id="resize" src="http://www.colette.fr/media/push/swa_mmm_001255.jpg" /&gt; &lt;/section&gt; </code></pre> <p>At the moment the resize function only works for the first image, however the other images do not resize. Before anyone attacks me about web standards the <code>id</code>'s in the img tags were just to test the function. </p>
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    1. COhave you tried document.getElementsByClassName?? change all your img id to class and try
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    2. CO@Gowsikan yup tried that however i get an error, i thought is was as simple as that myself
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