摘要:
Array.prototype.myFind = function(fn) { for(let i=0;i<this.length;i++) { if(fn(this[i])) return this[i] }} let arr = [1,2,3,4,5,6] let targetNum = arr 阅读全文
posted @ 2021-12-07 09:50
有肌肉的小眼睛
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摘要:
let arr = [1,[2,3],[4,5],6]let newArr = []Array.prototype.myFlat = function() { for(let i=0;i<this.length;i++){ if(Array.isArray(this[i])){ this[i].my 阅读全文
posted @ 2021-12-07 09:47
有肌肉的小眼睛
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