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@js62789
Created April 8, 2014 20:01
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An asynchronous js loader
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);
}
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