var arr=[1,2,3,3,4,4,5,5,6,1,9,3,25,4]; function deRepeat(){ var newArr=[]; var obj={}; var index=0; var l=arr.length; for(var i=0;i<l;i++){ if(obj[arr[i]]==undefined) { obj[arr[i]]=1; newArr[index++]=arr[i]; } else if(obj[arr[i]]==1) continue; } return newArr; } var newArr2=deRepeat(arr); alert(newArr2); //输出1,2,3,4,5,6,9,25
时间: 2024-07-30 05:13:39