if(!console) { var console={}; console.log=function(str){alert(str);} }
Array.prototype.unique1 = function () { var r = new Array(); label:for(var i = 0, n = this.length; i < n; i++) { for(var x = 0, y = r.length; x < y; x++) { if(r[x] == this[i]) { continue label; } } r[r.length] = this[i]; } return r; }
Array.prototype.unique2 = function () { return this.sort().join(",,").replace(/(,|^)([^,]+)(,,2)+(,|$)/g,"$1$2$4").replace(/,,+/g,",").replace(/,$/,"").split(","); }
Array.prototype.unique3 = function() { var temp = {}, len = this.length; for(var i=0; i < len; i++) { var tmp = this[i]; if(!temp.hasOwnProperty(tmp)) { temp[this[i]] = "my god"; } }
len = 0; var tempArr=[]; for(var i in temp) { tempArr[len++] = i; } return tempArr; } Array.prototype.unique4 = function () { var temp = new Array(); this.sort(); for(i = 0; i < this.length; i++) { if( this[i] == this[i+1]) { continue; } temp[temp.length]=this[i]; } return temp;
}
var test=(function() { var arr2=[]; for(var i=0;i<2000;i++) { var t=i; t=parseInt(Math.random()*2000)+1; arr2[i]=(t.toString());