Question

How to remove the last element of an array, and returns that element in JavaScript

Answer 1

var numbers = [9, 25, 100, 81];

numbers.pop();

document.write(numbers);


/*

run:

9,25,100  

*/

 

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Answer 2

var numbers = [9, 25, 100, 81];

var n = numbers.pop();

document.write(n + "<br />");
document.write(numbers);


/*

run:

81
9,25,100   

*/

 

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Answer 3

<button onclick="removeLast()">Try it</button>

<p id="p"></p>

var numbers = [9, 25, 100, 81];
document.getElementById("p").innerHTML = numbers;

function removeLast() {
    numbers.pop();
    document.getElementById("p").innerHTML = numbers;
}


/*

run:

  

*/

 

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