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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 12x 12x 2x | /** * 确认对象是否在数组中 * @method arr/contains * @param {Array} arr 要操作的数组 * @param {*} item 要搜索的对象 * @returns {Boolean} 如果对象在数组中,返回 true * @example * var $contains = require('@spore-ui/kit/packages/arr/$contains'); * console.info($contains([1,2,3,4,5], 3)); // true */ function contains(arr, item) { var index = arr.indexOf(item); return index >= 0; } module.exports = contains; |