| /* |
| JSPWiki - a JSP-based WikiWiki clone. |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); fyou may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| /*eslint-env browser */ |
| |
| /* |
| Polyfill IE11 |
| */ |
| |
| //https://github.com/jserz/js_piece/blob/master/DOM/ChildNode/remove()/remove().md |
| (function (ElementRemove, TextRemove) { |
| function remove() { this.parentNode && this.parentNode.removeChild(this); } |
| |
| if (!ElementRemove) ElementRemove = remove; |
| if (Text && !TextRemove) TextRemove = remove; |
| |
| })(Element.prototype.remove, Text.prototype.remove); |
| |
| |
| if (!Element.prototype.matches) { |
| Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector |
| } |
| |
| //https://developer.mozilla.org/en-US/docs/Web/API/Element/closest |
| //https://github.com/jonathantneal/closest/blob/master/src/index.js |
| if (!Element.prototype.closest) { |
| Element.prototype.closest = function (selector) { |
| var element = this; |
| |
| while (element && (element.nodeType === 1) && !element.matches(selector)) { |
| element = element.parentNode; |
| } |
| return element ? element : null; |
| } |
| } |