Write a function filterRange(arr, a, b) that gets an array arr, looks for elements with values higher or equal to a and lower or equal to b and return a result as an array.

مثال:

let arr = [5, 3, 8, 1];

let filtered = filterRange(arr, 1, 4);

alert(filtered); // 3,1 (matching values)

alert(arr); // 5,3,8,1 (not modified)

افتح sandbox بالإختبارات.