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@Aymkdn /loadExt.js
Last active Nov 24, 2017

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What would you like to do?
To load JS and CSS files with vanilla JavaScript
// long version
function loadExt(files, after) {
var _this=this;
_this.files = files;
_this.js = [];
_this.head = document.getElementsByTagName("head")[0];
_this.after = after || function(){};
_this.loadStyle = function(file) {
var link = document.createElement("link");
link.rel = "stylesheet";
link.type = "text/css";
link.href = file;
_this.head.appendChild(link);
};
_this.loadScript = function(i) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = _this.js[i];
var loadNextScript = function() {
if (++i < _this.js.length) _this.loadScript(i);
else _this.after();
};
script.onload = function() { loadNextScript() };
_this.head.appendChild(script);
}
for (var i=0;i<_this.files.length;i++) {
if (/\.js$|\.js\?/.test(_this.files[i])) _this.js.push(_this.files[i])
if (/\.css$|\.css\?/.test(_this.files[i])) _this.loadStyle(_this.files[i])
}
if (_this.js.length>0) _this.loadScript(0);
else _this.after();
}
// minified version (651B, and 336B with gzip)
function loadExt(e,t){var s=this;s.files=e,s.js=[],s.head=document.getElementsByTagName("head")[0],s.after=t||function(){},s.loadStyle=function(e){var t=document.createElement("link");t.rel="stylesheet",t.type="text/css",t.href=e,s.head.appendChild(t)},s.loadScript=function(e){var t=document.createElement("script");t.type="text/javascript",t.src=s.js[e];var a=function(){++e<s.js.length?s.loadScript(e):s.after()};t.onload=function(){a()},s.head.appendChild(t)};for(var a=0;a<s.files.length;a++)/\.js$|\.js\?/.test(s.files[a])&&s.js.push(s.files[a]),/\.css$|\.css\?/.test(s.files[a])&&s.loadStyle(s.files[a]);s.js.length>0?s.loadScript(0):s.after()}
// to use it
new loadExt(["/path/file1.js","/path/file1.css", "file2.js?nocache="+(new Date().getTime()), "file3.js"], function() {
console.log("all loaded");
})
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