var person={
name:'xiongwei',
age:26,
location:'ShenZhen'
}
console.log(person.name) //xiongwei
console.log(person['name'])//xiongwei
console.log(person[name])//undefined
注意:json以中括號的形式訪問屬性時必須打上雙引號,否則undifined
var person={
name:'xiongwei',
age:26,
location:'ShenZhen'
}
console.log(person.name) //xiongwei
console.log(person['name'])//xiongwei
console.log(person[name])//undefined
注意:json以中括號的形式訪問屬性時必須打上雙引號,否則undifined