Массив заполнения со значениями javaScript
let filledArray = new Array(10).fill({'hello':'goodbye'});
Cute Crossbill
let filledArray = new Array(10).fill({'hello':'goodbye'});new Array(5).fill('element')
// ["element", "element", "element", "element", "element"]Array.from({length: 3}, (_, i) => i); //[0,1,2]
[...Array(3)].map((_, i) => i); //[0,1,2]var arry = ["JavaScript", "Fill", "this", "Array"];
arry.fill("Filled", 1, 3);
console.log(arry);
//Output: [‘JavaScript’, ‘Filled’, ‘Filled’, 'Array’]
[1, 2, 3].fill(4) // [4, 4, 4]
[1, 2, 3].fill(4, 1) // [1, 4, 4]
[1, 2, 3].fill(4, 1, 2) // [1, 4, 3]
[1, 2, 3].fill(4, 1, 1) // [1, 2, 3]
[1, 2, 3].fill(4, 3, 3) // [1, 2, 3]
[1, 2, 3].fill(4, -3, -2) // [4, 2, 3]
[1, 2, 3].fill(4, NaN, NaN) // [1, 2, 3]
[1, 2, 3].fill(4, 3, 5) // [1, 2, 3]
Array(3).fill(4) // [4, 4, 4]
[].fill.call({ length: 3 }, 4) // {0: 4, 1: 4, 2: 4, length: 3}
// A single object, referenced by each slot of the array:
let arr = Array(3).fill({}) // [{}, {}, {}]
arr[0].hi = "hi" // [{ hi: "hi" }, { hi: "hi" }, { hi: "hi" }]