JavaScript Program to Insert Item in an Array

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// program to insert an item at a specific index into an array

function insertElement() {
    let array = [1, 2, 3, 4, 5];

    // index to add to
    let index = 3;

    // element that you want to add
    let element = 8;
  
    array.splice(index, 0, element);
    console.log(array);
}

insertElement();

 

 

Output

[1, 2, 3, 8, 4, 5]

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