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Firefox、Opera、Google Chrome向けのpolyfillです。
当前为
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/17895/113961/polyfill.js
// ==UserScript==
// @name polyfill
// @description Firefox、Opera、Google Chrome向けのpolyfillです。
// @version 1.1.0
// @license Mozilla Public License Version 2.0 (MPL 2.0); https://www.mozilla.org/MPL/2.0/
// @compatible Firefox
// @compatible Opera 36以降
// @compatible Chrome
// @author 100の人
// @homepage http://greasyfork.icu/scripts/17895
// ==/UserScript==
(function () {
'use strict';
// Polyfill for Firefox, Opera, and Google Chrome
if (new URLSearchParams('?').has('?')) {
URLSearchParams = new Proxy(URLSearchParams, {
construct: function (URLSearchParams, argumentsList) {
if (argumentsList.length > 0 && !(argumentsList[0] instanceof URLSearchParams)) {
argumentsList[0] = String(argumentsList[0]).replace(/^\?/, '');
}
return new URLSearchParams(...argumentsList);
},
});
}
// Polyfill for Firefox 38 ESR
if (!''.includes) {
/** @see [Bug 1102219 – Rename String.prototype.contains to String.prototype.includes]{https://bugzilla.mozilla.org/show_bug.cgi?id=1102219} */
Object.defineProperty(String.prototype, 'includes', {
writable: true,
enumerable: false,
configurable: true,
value: String.prototype.contains,
});
}
// Polyfill for Opera and Google Chrome
if (!(Symbol.iterator in NodeList.prototype)) {
Object.defineProperties(NodeList.prototype, /** @lends NodeList# */ {
/**
* @see [Issue 401699 - chromium - Add iterator support to NodeList and friends]{@link https://code.google.com/p/chromium/issues/detail?id=401699}
* @returns {Iterator.<Array.<number, Node>>}
* @name NodeList#@@iterator
*/
[Symbol.iterator]: {
writable: true,
enumerable: false,
configurable: true,
value: function* () {
for (var i = 0, l = this.length; i < l; i++) {
yield this[i];
}
}
},
/**
* @param {Function} callback
* @param {*} thisArg
* @function
*/
forEach: {
writable: true,
enumerable: true,
configurable: true,
value: Array.prototype.forEach
},
/**
* @returns {Iterator.<Array.<number, Node>>}
* @function
*/
entries: {
writable: true,
enumerable: true,
configurable: true,
value: function* () {
for (var i = 0, l = this.length; i < l; i++) {
yield [i, this[i]];
}
}
},
/**
* @returns {Iterator.<number>}
* @function
*/
keys: {
writable: true,
enumerable: true,
configurable: true,
value: function* () {
for (var i = 0, l = this.length; i < l; i++) {
yield i;
}
}
},
/**
* @returns {Iterator.<Node>}
* @function
*/
values: {
writable: true,
enumerable: true,
configurable: true,
value: function* () {
for (var i = 0, l = this.length; i < l; i++) {
yield this[i];
}
}
},
});
}
})();