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Posted By

tylerhall on 12/28/06


Tagged

javascript function attribute


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Get Elements By Attribute

Published in: JavaScript 

Plain TextExpand 
  1. function getElementsByAttribute(oElm, strTagName, strAttributeName, strAttributeValue){
  2.     var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
  3.     var arrReturnElements = new Array();
  4.     var oAttributeValue = (typeof strAttributeValue != "undefined")? new RegExp("(^|\\s)" + strAttributeValue + "(\\s|$)", "i") : null;
  5.     var oCurrent;
  6.     var oAttribute;
  7.     for(var i=0; i<arrElements.length; i++){
  8.         oCurrent = arrElements[i];
  9.         oAttribute = oCurrent.getAttribute && oCurrent.getAttribute(strAttributeName);
  10.         if(typeof oAttribute == "string" && oAttribute.length > 0){
  11.             if(typeof strAttributeValue == "undefined" || (oAttributeValue && oAttributeValue.test(oAttribute))){
  12.                 arrReturnElements.push(oCurrent);
  13.             }
  14.         }
  15.     }
  16.     return arrReturnElements;
  17. }

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