📜  Lodash _.keysIn() 方法

📅  最后修改于: 2022-05-13 01:56:50.407000             🧑  作者: Mango

Lodash _.keysIn() 方法

_.keysIn()方法用于创建对象自己的和继承的可枚举属性名称的数组。

句法:

_.keysIn(object)

参数:此方法接受如上所述和如下所述的单个参数:

  • object:此参数保存要查询的对象元素。

返回值:此方法返回给定对象的所有键的数组。

示例 1:

Javascript
/// Requiring the lodash library  
const _ = require("lodash");  
   
function Gfg() {
  this.a = 1;
  this.b = 2;
}
   
Gfg.prototype.c = 3;
          
// Use of _.keysIn method 
console.log(_.keysIn(new Gfg));


Javascript
/// Requiring the lodash library  
const _ = require("lodash");  
    
// Given object
var obj = { 
            Name: "GeeksforGeeks", 
            password: "gfg@1234", 
            username: "your_geeks"
        } 
           
// Use of _.keysIn method 
console.log(_.keysIn(obj));


输出:

['a', 'b', 'c']

示例 2:

Javascript

/// Requiring the lodash library  
const _ = require("lodash");  
    
// Given object
var obj = { 
            Name: "GeeksforGeeks", 
            password: "gfg@1234", 
            username: "your_geeks"
        } 
           
// Use of _.keysIn method 
console.log(_.keysIn(obj));

输出:

["Name", "password", "username"]