mirror of https://github.com/dirtbags/moth.git
51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
function loadJSON(url, callback) {
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function loaded(e) {
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callback(e.target.response);
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}
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var xhr = new XMLHttpRequest()
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xhr.onload = loaded;
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xhr.open("GET", url, true);
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xhr.responseType = "json";
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xhr.send();
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}
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function createElement(tagName) {
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return document.createElement(tagName);
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}
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function djb2hash(str) {
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var hash = 5381;
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for (var i = 0; i < str.length; i += 1) {
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var c = str.charCodeAt(i);
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hash = ((hash * 33) + c) & 0xffffffff;
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}
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return hash;
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}
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// Make code readable by providing Function.prototype.bind in older JS environments
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if (!Function.prototype.bind) {
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Function.prototype.bind = function(oThis) {
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if (typeof this !== 'function') {
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// closest thing possible to the ECMAScript 5
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// internal IsCallable function
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throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
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}
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var aArgs = Array.prototype.slice.call(arguments, 1),
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fToBind = this,
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fNOP = function() {},
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fBound = function() {
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return fToBind.apply(this instanceof fNOP && oThis
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? this
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: oThis,
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aArgs.concat(Array.prototype.slice.call(arguments)));
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};
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fNOP.prototype = this.prototype;
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fBound.prototype = new fNOP();
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return fBound;
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};
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}
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