题解 | #数组去重#
数组去重
https://www.nowcoder.com/practice/0b5ae9c4a8c546f79e2547c0179bfdc2
Array.prototype.uniq = function () { let newArr = []; for(var i =0;i<this.length;i++){ if(newArr.includes(this[i])){ this.splice(i,1) i--; }else{ newArr.push(this[i]); } } return this; }