js兼容方法:通过样式名获取元素,byClass
function byClass(oParent,className){ if(document.getElementsByClassName){ //if it is Firefox return oParent.getElementsByClassName(className); }else{ var tags = oParent.getElementsByTagName("*"); var tagsLength = tags.length; var result = []; for(var i=0;i<tagsLength;i++){ if(tags[i].className==className){ result.push(tags[i]); } } return result; } }

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