[js]将某个函数放在onload事件中最先执行 Code 1 function addLoadEvent(func) 2 { 3 var oldonload = window.onload; 4 if (typeof window.onload != 'function') 5 { 6 window.onload = func; 7 } 8 else 9 { 10 window.onload = function() 11 { 12 oldonload(); 13 func(); 14 } 15 } 16