Array.prototype.del=function(){ var b={},c,i=0,l=this.length,j; for(;ic=this.shift(); c in b ? b[c]++ : b[c]=0; } for(j in b){ if(b[j]>0)this.push(+j||j); } return this; } var a=[1,2,2,3,3,3,'a','b','b']; alert(a.del());
Array.prototype.del=function(){ return (function (i, n, j, u, o){ for (; i o = this[i]; o in u ? 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())
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