_.isArray(value)

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_.isArray(value)

_.isArray判断一个值是否是一个数组

参数

value (*): 需要检查的值

返回值

(boolean): 如果是数组返回true，否则false

例子

_.isArray([1, 2, 3]);
// => true
 
_.isArray(document.body.children);
// => false
 
_.isArray('abc');
// => false
 
_.isArray(_.noop);
// => false

源代码

/**
 * lodash (Custom Build) <https://lodash.com/>
 * Build: `lodash modularize exports="npm" -o ./`
 * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;//使用原生的Array.isArray方法判断

module.exports = isArray;