JS對象屬性遍歷

const oA={name:'caiyw',age:28};

1、for in

for(item in oA){
  console.log(oA[item])
}

// caiyw

//28

 

2、Object.entries

Object.entries(oA).forEach((item,index)=>{
  console.log(item);
})

// ['name','caiyw']

//['age',28]

 

3、Object.keys()

let oArr=Object.keys(oA);

oArr.forEach(item=>{

  console.log(oA[item]);

})

//caiyw

//28