Array.prototype.del=function(){
var b ={},c,i=0,l=this.length,j;
for(;ic=this.shift()
c b ? b [c] : b[c]=0;
}
for(j in b){
if(b[j]>0)this.push( j||j) ;
}
반환
}
var a=[1,2,2,3,3,3,'a','b','b']; Alert(a .del());
Guoguo의 중복 제거 방법
Array.prototype.del=function(){
return (function (i, n, j, u, o){
for (; i < j ; i ) {
o = this[i];
o 0 : (u[this[n ] = o] = 1)
}
this.length = n
return this
}).call(this, 0, 0, this.length, {})
}
var a=[1,2,2,3,3,3,'a ',' b','b'];
alert(a.del())
![[웹 프런트엔드] Node.js 빠른 시작](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
