zhangpanfei
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zhangpanfei
```js function moveArr(arr,k) { const start = arr.length - k return [...arr.slice(start), ...arr.slice(0,start)] } ```
```js function LazyMan(name) { const task = []; this.eat = (food) => { const fn = () => { console.log("I am eating", food); this.run(); }; task.push(fn); return this; }; this.sleep...
```js function overturnStr(str) { let newStr = '' for (let s of str) { if (s.toUpperCase() === s) { newStr += s.toLowerCase() } newStr += s.toUpperCase() } return newStr }...