fill < Array < JavaScript

The fill() method of an array returns an array by filling all elements with a specified value. Starting at an optional start index and ending at an optional end index.

    
    const numbers = [2, 4, 6, 8];

    const fill = numbers.fill(6);
    console.log(fill);
    // [6, 6, 6, 6]

    const numbers1 = [0, 1, 2, 3, 4];

    const fill2 = numbers1.fill(9, 2, 5);
    console.log(fill2);
    // [0, 1, 9, 9, 9]