How to dynamically import a JS file how to implement the specific

  How you need to dynamically import JS files, the following methods may help you

When we want to do dynamic import JS file, we can use the following method     code as follows: var docfunc = {   /****************************************   * Purpose: Invoke the following dynamic load script method load_script  ****************************** /    loaddefjquery:function () { //alert ( Ucapsession.hostpath + ucapsession.apppath);   //ucapsession.apppath is the root directory   Docfunc.load_script ( ucapsession.apppath  + "Ftdxxglxt/js/jquery-1.8.1.min.js");  Docfunc.load_script (UcapSession.appPath   + "Ftdxxglxt/js/jsuggest.js"); },   /******************************************************   * Purpose: Dynamically loading scripts   ************************************************************** /  load_script:function (URL) {  var x = new ActiveXObject ("Msxml2.xmlhttp");  x.open (' Get '), URL, False);  x.send (");  eval (x.responsetext);  var s = x.responsetext.split (/n/);  var r =/^ (?: Function|var) s* ([a-za-z_]+)/i;  for (var i = 0; i < s.length; i++)   {  var m = R.exe C (S[i]);  if (M!= null)   {  window[m[1] = eval (m[1)); } } }   }    In HTML page or JSP page Invoke method:    code as follows: <script>  docfunc.loaddefjquery ();  </script>