javascript synchronous Import, synchronous method of calling external js_javascript skills

Online demo address http://www.jb51.net/jslib/Import/a.html

Main function code import.js

Copy code The code is as follows:

Remote test a.js




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The code is as follows:

var a = "Script Home www.jb51.net===";

Specific calling codeCopy code

The code is as follows:

 
 
 
 
 
 
 
(function(){ 
    function callback() 
    { 
        var IsIE = (navigator.userAgent.indexOf("MSIE") == -1)? false : true; 
        if (IsIE) 
        { 
            if(/loaded/.test(this.readyState)) 
            { 
                alert(a); 
            } 
        } 
        else 
        { 
            alert(a); 
        } 
    } 

    _Import("http://www.jb51.net/jslib/Import/a.js", callback) 
})()