LoadScript

LoadScript

by divayang

HTML

<p>A Demo of LoadScript!</p>

CSS

p {color:#666; text-shadow: 0 1px 2px rgba(0,0,0,0.25); font-family:"Arial";}

JavaScript

function loadScript(url, callback){
    var script = document.createElement("script")
    script.type = "text/javascript";
    if (script.readyState){  //IE
        script.onreadystatechange = function(){
            if (script.readyState == "loaded" ||
                    script.readyState == "complete"){
                script.onreadystatechange = null;
                callback();
            }
        };
    } else {  //Others
        script.onload = function(){
            callback();
        };
    }
    script.src = url;
    document.getElementsByTagName("head")[0].appendChild(script);
}
loadScript("http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js", function(){
    alert('load success1!');
});