Question

How to append object to array using in JavaScript

Answer 1

let array = [1, 2, 3, 4];

let object = {x: 33, y: 55};

array.push(object);

console.log(array);
   
   
   
   
/*
run:
   
[1, 2, 3, 4, {
  x: 33,
  y: 55
}]
   
*/

 

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Answer 2

let array = [1, 2, 3, 4];

let object = {x: 33, y: 55};

const index = array.length;

array.splice(index, 0, object);

console.log(array);
   
   
   
   
/*
run:
   
[1, 2, 3, 4, {
  x: 33,
  y: 55
}]
   
*/

 

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