定义一个需要遍历的对象
const obj1 = { |
使用for…in…遍历
console.log('use for...in') |
使用for…of…遍历
console.log('use for...of') |
添加新的内容然后遍历
obj1.arr1.push(4, 5, 6); |
遍历字符串
let str = 'merry' |
输出结果
use for...in |
const obj1 = { |
console.log('use for...in') |
console.log('use for...of') |
obj1.arr1.push(4, 5, 6); |
let str = 'merry' |
use for...in |