Answers for "create array between two values javascript"

how to get different values from two arrays js

let difference = arr1
                 .filter(x => !arr2.includes(x))
                 .concat(arr2.filter(x => !arr1.includes(x)));

javascript range of integers

var list = [];
for (var i = lowEnd; i <= highEnd; i++) {
    list.push(i);
}