Merge 2 sorted arrays

mergeSorted.js

var arr1 = [3,5,8,10,15,18];
var arr2 = [6,10,15,20,25];

function sort(arr1, arr2) {
	
	var sortedArr = [];
	var x = y = 0;
	while(x < arr1.length && y < arr2.length) {
		if(arr1[x] < arr2[y]) {
			sortedArr.push(arr1[x++]);
		}
		else {
			sortedArr.push(arr2[y++]);
		}

	}	
	return sortedArr;
}

console.log(sort(arr1, arr2));