Question

How to execute a callback function once per array element with Array.forEach() in JavaScript

Answer 1

function printArrayElements(element, index, array)
{
  document.write('arr[' + index + '] = ' + element + "<br />");
}


var arr = ["PHP", "Java", "C#", "C"];

var s = arr.forEach(printArrayElements);

 
/*
run:  

arr[0] = PHP
arr[1] = Java
arr[2] = C#
arr[3] = C
 
*/

 

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