push_object.js (1264B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 'use strict'; 20 21 // MAIN // 22 23 /** 24 * Adds one or more elements to the end of an array-like object. 25 * 26 * @private 27 * @param {Object} obj - input array-like object 28 * @param {Array} items - items to add 29 * @returns {Object} input object 30 * 31 * @example 32 * var obj = { 33 * 'length': 2, 34 * '0': 1.0, 35 * '1': 2.0 36 * }; 37 * 38 * obj = push( obj, [ 3.0, 4.0 ] ); 39 * // returns { 'length': 4, '0': 1.0, '1': 2.0, '2': 3.0, '3': 4.0 } 40 */ 41 function push( obj, items ) { 42 var len; 43 var i; 44 len = obj.length; 45 for ( i = 0; i < items.length; i++ ) { 46 obj[ len+i ] = items[ i ]; 47 } 48 obj.length = len + items.length; 49 return obj; 50 } 51 52 53 // EXPORTS // 54 55 module.exports = push;