/**
* @param {number[]} nums
* @return {number}
*/
var removeDuplicates = function (nums) {
for (let i = 0; i < nums.length; i++) {
let j = i + 1
while (j < nums.length) {
if (nums[j] === nums[i]) {
nums.splice(j, 1)
continue
}
j++
}
}
return nums.length
};