Created
March 8, 2017 05:05
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Sequentially load JS files
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| (function(){ | |
| //three JS files that need to be loaded one after the other | |
| var libs = [ | |
| 'https://code.jquery.com/jquery-3.1.1.min.js', | |
| 'https://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.4.1/jquery.easing.min.js', | |
| 'https://cdnjs.cloudflare.com/ajax/libs/underscore.string/3.3.4/underscore.string.js' | |
| ]; | |
| var injectLibFromStack = function(){ | |
| if(libs.length > 0){ | |
| //grab the next item on the stack | |
| var nextLib = libs.shift(); | |
| var headTag = document.getElementsByTagName('head')[0]; | |
| //create a script tag with this library | |
| var scriptTag = document.createElement('script'); | |
| scriptTag.src = nextLib; | |
| //when successful, inject the next script | |
| scriptTag.onload = function(e){ | |
| console.log("---> loaded: " + e.target.src); | |
| injectLibFromStack(); | |
| }; | |
| //append the script tag to the <head></head> | |
| headTag.appendChild(scriptTag); | |
| console.log("injecting: " + nextLib); | |
| } | |
| else return; | |
| } | |
| //start script injection | |
| injectLibFromStack(); | |
| })(); |
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