function loader(func){
var oldloader = window.onload;
if(type of window.onload != 'Object'){
window.onload = func;
}else{
window.onload = function(){
oldloader();
func();
}
}
}
是否可以写成:
function loader(func){
if(type of window.onload != 'Object'){
window.onload = func;
}else{
window.onload = function(){
winow.onload();
func();
}
}
}
行不行自己试下不就知道了……
我理解是不行的,会循环调用onload