js 数组去重方法

function newArr(array){ 
    //一个新的数组 
    var arrs = []; 
    //遍历当前数组 
    for(var i = 0; i < array.length; i++){ 
        //如果临时数组里没有当前数组的当前值，则把当前值push到新数组里面 
        if (arrs.indexOf(array[i]) == -1){ 
            arrs.push(array[i])
        }; 
    } 
    return arrs; 
}
 
var aaa = [1,1,2,5,6,3,5,5,6,8,9,8];
 
newArr(aaa)

function newArr(arr){
    return Array.from(new Set(arr))
}
 
var aaa = [1,1,2,5,6,3,5,5,6,8,9,8];
 
newArr(aaa)