loader/loader.js at master · round/loader · GitHub

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varloader=function(){};loader.prototype={load:function(e,t){this.loadCount=0;this.totalRequired=e.length;this.callback=t;for(varn=0;n<e.length;n++){this.writeScript(e[n])}},loaded:function(e){this.loadCount++;if(this.loadCount==this.totalRequired&&typeofthis.callback=='function')this.callback.call()},writeScript:function(e){vart=this;varn=document.createElement('script');n.async=true;n.src=e;n.addEventListener('load',function(e){t.loaded(e)},false);varr=document.getElementsByTagName('head')[0];r.appendChild(n)}}

// Basic loading!

newloader().load(['script.js']);

// Mutiple scripts!

newloader().load(['script1.js','script2.js']);

// Chain loading!

newloader().load(['//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js'],
function(){
console.log('jQuery loaded');
newloader().load(['script.js'],
function(){
console.log('script.js loaded');
}
);
}
);

// Advanced callbacks!

newloader().load(['//ajax.googleapis.com/ajax/libs/webfont/1/webfont.js'],
function(){
WebFont.load({
google: {
families: ['Droid Sans Mono']
},
fontactive: function(fontFamily){
console.log('Loaded '+fontFamily);
},
});
}
);