JS取出两个数组中的不同或相同元素
2021/02/03    
var arr1 = [0,1,2,3,4,5];
var arr2 = [0,4,6,1,3,9];
function getArrDifference(arr1, arr2) {
        var arr1 = [...new Set(arr1)];
        var arr2 = [...new Set(arr2)];
        return [...arr1,...arr2].filter((val,index,arr)=>{
            return arr.indexOf(val)===arr.lastIndexOf(val);
        });
    }
    console.log(getArrDifference(arr1,arr2));
 
 //输出:(4) [2, 5, 6, 9]