for…of 主要用于遍历数组
let obj
= {}
let arr
= []
var data
= [{a
:"1",b
:"2",c
:"3",d
:"4"}]
var obj2
= {name
:"猪八戒",age
:"300"}
for(let i
of data
) {
obj
= i
arr
.push(i
)
}
for(let i
of obj2
) {
console
.log(i
)
}
console
.log(obj
)
console
.log(arr
)
从上面的代码来看,for…of只能遍历数组,不能遍历对象,如果要遍历对象,可以使用for…in来遍历对象 这就是for…of和for…in的区别
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