小编Hen*_*ryh的帖子

更新:

我有以下代码:

<script type="text/javascript">
function addScript(url) {
    var script = document.createElement('script');
    script.src = url;
    document.getElementsByTagName('head')[0].appendChild(script);
}   
addScript('http://google.com/google-maps.js');
addScript('http://jquery.com/jquery.js');

...

// run code below this point once both google-maps.js & jquery.js has been downloaded and excuted

</script>

在下载并执行所有必需的JS之前,如何防止代码执行？在上面的示例中,那些必需的文件是google-maps.js和jquery.js.