45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
'use strict';
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// fix iterating over NodeList in Chrome and Opera
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NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
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NodeList.prototype.querySelector = function(...args) {
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for (let node of this) {
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if (node.nodeType === 3) {
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continue;
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}
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const result = node.querySelector(...args);
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if (result) {
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return result;
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}
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}
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return null;
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};
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// non standard
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Node.prototype.prependChild = function(child) {
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if (this.firstChild) {
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this.insertBefore(child, this.firstChild);
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} else {
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this.appendChild(child);
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}
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};
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// non standard
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Promise.prototype.always = function(onResolveOrReject) {
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return this.then(
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onResolveOrReject,
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reason => {
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onResolveOrReject(reason);
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throw reason;
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});
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};
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// non standard
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Number.prototype.between = function(a, b, inclusive) {
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const min = Math.min(a, b);
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const max = Math.max(a, b);
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return inclusive ?
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this >= min && this <= max :
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this > min && this < max;
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};
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