摘要：function addClass(element,value){ if(!element.className){ element.className=value; }else{ newClassName=element.className; newClassName+=" "; newClassName+=value; element.className=newClassName; }} 阅读全文

摘要：function insertAfter(newElement,targetElement){ var parent = targetElement.parentNode; if(parent.lastChild == targetElement){ parent.appendChild(newElement); }else{ parent.insertBefore(newElement,targetElement.nextSibling); }} 阅读全文

摘要：function addLoadEvent(func){ var oldonload = window.onload; if(typeof window.onload != 'function'){ window.onload = func; }else{ window.onload = function(){ oldonload(); func(); } }} 阅读全文