var m = new Map([['Michael', 95], ['Bob', 75], ['Tracy', 85]]); for (let key of m.keys()) { console.log(m.get(key)); }
结果为:
SET:
let set = new Set(['red', 'green', 'blue']); for (let item of set.keys()) { console.log(item); }
var m = new Map([['Michael', 95], ['Bob', 75], ['Tracy', 85]]); for (let key of m.keys()) { console.log(m.get(key)); }
结果为:
SET:
let set = new Set(['red', 'green', 'blue']); for (let item of set.keys()) { console.log(item); }