Created
June 25, 2014 03:51
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getElementsByClassName
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getElementsByClassName | |
<script type="text/javascript"> | |
function ele(){ | |
/* var elements = getElementsByClassName(document," ace_editor ace-chrome"); */ | |
var elements = getElementsByClass("div"," ace_editor ace-chrome"); | |
var ele1 =elements[0]; | |
console.log("shhd"+ele1); | |
ele1.style.height="260px"; | |
} | |
function getElementsByClass(tagName,cName) { | |
var elements = tagName ? document.getElementsByTagName(tagName) : document.getElementsByTagName('*'); | |
var findEles = []; | |
var reg = new RegExp('^'+cName+'\\s*|\\s+'+cName+'\\s+|\\s+'+cName+'$'); | |
for(var i=0;i<elements.length;i++) { | |
if(reg.test(elements[i].className))findEles.push(elements[i]); | |
} | |
return findEles; | |
} | |
function getElementsByClassName(node,classname) { | |
if (node.getElementsByClassName) { // use native implementation if available | |
return node.getElementsByClassName(classname); | |
} else { | |
return (function getElementsByClass(searchClass,node) { | |
if ( node == null ) | |
node = document; | |
var classElements = [], | |
els = node.getElementsByTagName("*"), | |
elsLen = els.length, | |
pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)"), i, j; | |
for (i = 0, j = 0; i < elsLen; i++) { | |
if ( pattern.test(els[i].className) ) { | |
classElements[j] = els[i]; | |
j++; | |
} | |
} | |
return classElements; | |
})(classname, node); | |
} | |
} | |
</script> | |
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