JavaScript map() Method

The map() function executes a specified function for each item in an array.

The following example shows, how to square each value in an array using a map Method.

Example

var a=[1,2,3,4,5,6]

function square(x){
  return Math.pow(x,2);
}

//call 'square' function for each item in a using map
var b=a.map(square);

document.querySelector("#out").innerHTML=b;

Try it Yourself

Output 1,4,9,16,25,36

Others

Others

JavaScript map() Method