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@sammffl 2016-06-28T03:55:36.000000Z 字数 472 阅读 577

加载js无阻塞模式

javascript知识点


  1. function loadScript(url, callback) {
  2. var script = document.createElement("script");
  3. script.type = "text/javascript";
  4. if (script.readyState) {//IE
  5. script.onreadystatechange = function () {
  6. if (script.readyState == "loaded" || script.readyState == "complete") {
  7. script.onreadystatechange = null;
  8. callback();
  9. }
  10. }
  11. } else {
  12. script.onload = function () {
  13. callback();
  14. }
  15. }
  16. script.src = url;
  17. document.getElementsByTagName("head")[0].appendChild(script);
  18. }
  1. loadScript("test.js",function(){
  2. Application.init();
  3. })
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