let arr = ['zhangsan', 'zhangsan', 'wnagwu']; console.log(Array.form(new Set(arr))); // 获得新数组['zhangsan', 'wnagwu']
let arr = ['zhangsan', 'zhangsan', 'wnagwu'];
console.log(Array.form(new Set(arr))); // 获得新数组['zhangsan', 'wnagwu']