Ever run into a situation where you want to get an array of all elements with a specific attribute? Or even want elements with a certain value for that chosen attribute as well? Just add this
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Demo: JavaScript getElementsByAttribute

How to setup

Step 1: Copy & Paste JavaScript code below in your HEAD section
<script type="text/javascript">
Copyright Robert Nyman, hxxp ://w w w.robertnyman. com
Free to use if this text is included 

function getElementsByAttribute(oElm, strTagName, strAttributeName, strAttributeValue){
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    var oAttributeValue = (typeof strAttributeValue != "undefined")? new RegExp("(^|\\s)" + strAttributeValue + "(\\s|$)") : null;
    var oCurrent;
    var oAttribute;
    for(var i=0; i<arrElements.length; i++){
        oCurrent = arrElements[i];
        oAttribute = oCurrent.getAttribute(strAttributeName);
        if(typeof oAttribute == "string" && oAttribute.length > 0){
            if(typeof strAttributeValue == "undefined" || (oAttributeValue && oAttributeValue.test(oAttribute))){
    return arrReturnElements;
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