Remove Whitespace-only Array Elements

Question

Since using array.splice modifies the array in-place, how can I remove all whitespace-only elements from an array without throwing an error? With PHP we have preg_grep but I

Answer 1

const words = ['spray', 'limit', 'elite', 'exuberant', ' ', ''];

const result = words.filter(word => word.trim().length > 0);

console.log(result);

Answer 2

Here's another approach.

var data = JSON.parse(arrayval.split(/\s/).join(''));