Forked from jonathanstark/adding-js-programmatically.html
Created
January 3, 2019 15:37
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Snippet of javascript code that will append external script files programmatically, and in order. Intended for responsive web sites where maximum progressive enhancement is desired. Don't want to make needless http requests or load external javascript on devices that can't (or shouldn't) execute javascript. Any questions/comments/suggestions gre…
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| <html> | |
| <head></head> | |
| <body> | |
| <!-- All your kewl content goes here --> | |
| <!-- Append javascript programatically so we don't make needless http requests --> | |
| <script> | |
| (function(doc){ | |
| var appendScripts = function(srcs) { | |
| if (src = srcs.shift()) { | |
| var scriptTag = doc.createElement('SCRIPT'); | |
| scriptTag.src = src; | |
| scriptTag.onload = function(){appendScripts(srcs)}; | |
| doc.body.appendChild(scriptTag); | |
| } | |
| } | |
| var goodBrowser = function() { | |
| // Return true if browser passes all feature tests | |
| return true; | |
| } | |
| if(goodBrowser()) { | |
| appendScripts([ | |
| './js/script1.js', | |
| './js/script2.js' | |
| ]); | |
| } | |
| })(document); | |
| </script> | |
| </body> | |
| </html> |
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