/*** 異步加載js*/ function loadScript(url, callback){var script = document.createElement("script");script.type = "text/javascript";if (script.readyState){ //IEscript.onreadystatechange = function(){if (script.readyState == "loaded" ||script.readyState == "complete"){script.onreadystatechange = null;callback();}};} else {//加載script.onload = function(){callback();//加載成功的回調};}script.src = url;document.body.appendChild(script); } //執(zhí)行異步加載js loadScript("/js/download/download.js",function(){console.log("加載download.js成功！"); });

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