移除数组中指定的元素 原

var removeElement = function(nums, val) {
        
        for (var i = 0; i < nums.length; i++) {
            console.log(nums.length)
            if (nums[i] == val) {
                nums.splice(i,1)
                i=i-1
            }
        }

        return nums;
    };
console.log(removeElement([0,1,2,2,3,0,4,2],2))  //[0,1,3,0,4]

 var removeElement = function(nums, val) {
        var sameNum=0;
        for (var i = 0; i < nums.length-sameNum; i++) {
            if (nums[i] == val) {
                sameNum++
                var delData=nums.splice(i,1)
                nums.push(delData[0])
                i=i-1;
            }
        }
        nums.length=nums.length-sameNum
        return nums;
    };
console.log(removeElement([3,2,2,3],3)) //[2,2]