![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
set遍历 1) keys() , values() , entries() let set = new Set(['red', 'green', 'blue']); for (let item of set.keys()) { console.log(item); } for (let item of set.values()) { console.log(item); } for (let item of set.entries()) { console.log(item); } for (let x of set) { console.log(x); } // red // green // blue