页面中js按顺序加载完全的方法

Posted 2022-05-20 xiaoniaohhl

页面中js加载完全的方法

function loadScript（ url, callback）     var script = document.createElement("script");     script.type = "text/javascript";     if (script.readyState)         script.onreadystatechange = function()             if (script.readyState == "loaded" || script.readyState == "complete")                 script.onreadystatechange = null;                 callback();                         else         script.onload = function()             callback();                 script.src = url;     document.getElementsByName("head")[0].appendChild(script);

如何让脚本的执行顺序按照你设定的顺序执行，使用嵌套的方式：

loadScript("file1.js", function()     loadScript("file2.js", function()         loadScript("file3.js", function()             alert("All files are loaded");         );     ); );