去除数组里的某个数

<script>
			let arr = [1, 2, 3, 2, 8, 9, 3, 2, 7];

			function fun(arr) {
				let arr1 = [];
				for (i = 0; i < arr.length; i++) {
					if (arr[i] !== 2) {
						arr1[arr1.length] = arr[i];
					}
				}
				return arr1;
			}
			let re = fun(arr);
			console.log(re);
		</script>