freeCodeCamp/guide/chinese/certifications/javascript-algorithms-and-data-structures/basic-javascript/delete-properties-from-a-javascript-object/index.md

title	localeTitle
Delete Properties from a JavaScript Object	从JavaScript对象中删除属性

从JavaScript对象中删除属性

提示：1

• 使用点表示法更改myDog的属性

SPOILER警告：解决方案

var ourDog = { 
  "name": "Camper", 
  "legs": 4, 
  "tails": 1, 
  "friends": ["everything!"], 
  "bark": "bow-wow" 
 }; 
 
 delete ourDog.bark; 
 
 // Setup 
 var myDog = { 
  "name": "Happy Coder", 
  "legs": 4, 
  "tails": 1, 
  "friends": ["freeCodeCamp Campers"], 
  "bark": "woof" 
 }; 
 
 // Only change code below this line. 
 delete myDog.tails;