不绑定页面加载完时只会执行最后一个函数,
window.onload=firstFunction; window.onload=secondFunction;
绑定后在页面加载完时两函数都会执行,
方法一:
window.onload=function(){ firstFunction(); secondFunction(); }
方法二:
function addLoadEvent(func) { var oldonload=window.onload; if(typeof window.onload!='function'){ window.onload=func; }else { window.onload=function () { oldonload(); func(); } } } addLoadEvent(firstFunction); addLoadEvent(secondFunction);