Two pointer patter sumzero

Sumzero.js

Function sumZero(arr) {
	let left = 0;
	let right = aro.length -1;
	while (left < right) {
		let sum = arr[left] + arr[right];
		if (sum == 0) {
			return [arr[left]], arr[right]
		} else {
			right—;
		} else {
			left++;
		}
	}
}