JAVASCRIPT

JavaScript .Fill

const array1 = [1, 2, 3, 4];

// fill with 0 from position 2 until position 4
console.log(array1.fill(0, 2, 4));
// expected output: [1, 2, 0, 0]

// fill with 5 from position 1
console.log(array1.fill(5, 1));
// expected output: [1, 5, 5, 5]

console.log(array1.fill(6));
// expected output: [6, 6, 6, 6]

array.fill() in javascript

var arry = ["JavaScript", "Fill", "this", "Array"];
arry.fill("Filled", 1, 3);

console.log(arry);
//Output: [‘JavaScript’, ‘Filled’, ‘Filled’, 'Array’]

fill in JavaScript

fill(val); 
fill(val, start);	//fills array with value of val at index start
fill(val, start, end); //fills array with value of val at index start to index end