JiuL
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JiuL
` function main(len = 5){ let list = []; for(let i = 2; i = len ? arr : recursion(arr); //根据结束条件去递归 } return recursion(); } `
``` function main(num){ let [n, str] = ('' + num / 10).split("."); return n > 0 ? str + main(n) : str; } ```
``` function print(n){ setTimeout((n) => { console.log(n); },0,n, Math.floor(Math.random() * 1000)); } for(var i = 0; i < 100; i++){ print(i); } ``` 把Math.random挤掉就好了。