arr.forEach((item, index) => { item['sex'] = 'men' }) // 返回原数组arr [ {name: 'xiaoming',age: '25',sex: 'men'}, {name: 'xiaohong',age: '23',sex: 'men'}, {name: 'janney',age: '23',sex: 'men'} ]
往数组对象中每一个对象添加一个字段
发布时间 2023-03-22 21:11:49作者: 天空中的云~飞起来了
arr.forEach((item, index) => { item['sex'] = 'men' }) // 返回原数组arr [ {name: 'xiaoming',age: '25',sex: 'men'}, {name: 'xiaohong',age: '23',sex: 'men'}, {name: 'janney',age: '23',sex: 'men'} ]