// Copyright 2014 The Closure Library Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you 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. /** * @fileoverview Utilities for HTML element tag names. */ goog.provide('goog.dom.tags'); goog.require('goog.object'); /** * The void elements specified by * http://www.w3.org/TR/html-markup/syntax.html#void-elements. * @const * @type {!Object} * @private */ goog.dom.tags.VOID_TAGS_ = goog.object.createSet(('area,base,br,col,command,' + 'embed,hr,img,input,keygen,link,meta,param,source,track,wbr').split(',')); /** * Checks whether the tag is void (with no contents allowed and no legal end * tag), for example 'br'. * @param {string} tagName The tag name in lower case. * @return {boolean} */ goog.dom.tags.isVoidTag = function(tagName) { return goog.dom.tags.VOID_TAGS_[tagName] === true; };