_.isObject(value)

151

_.isObject(value)
_.isObject判断一个值是否是object

参数

value (*): 需要检查的值

返回值

(boolean): 如果是object返回true,否则false

例子

_.isObject({});
// => true
 
_.isObject([1, 2, 3]);
// => true
 
_.isObject(_.noop);
// => true
 
_.isObject(null);
// => false

源代码

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * isObject({})
 * // => true
 *
 * isObject([1, 2, 3])
 * // => true
 *
 * isObject(Function)
 * // => true
 *
 * isObject(null)
 * // => false
 */
//判断一个值是object
function isObject(value) {
  const type = typeof value
  return value != null && (type == 'object' || type == 'function')
}

export default isObject

 

posted @ 2019-01-08 10:45  hahazexia  阅读(1564)  评论(0)    收藏  举报