What is the use of forEach() method in JavaScript?

Javascript Object Oriented Programming Programming

Array iteration:It is nothing but to check each and every element in an array according to requirement of the function.

forEach()

The forEach() method calls function once for every element in an array. Below are two examples to show the method.

Example-1

Live Demo

<html>
<body>
<p id="each"></p>
<script>
   var num = "";
   var values = [1,2,3,4,5];
   values.forEach(myArray);
   document.getElementById("each").innerHTML = num;
function myArray(value, index, array) {
num = num + value + "<br>";
}
</script>
</body>
</html>

Output

Example-2

Live Demo

<html>
<body>
<script>
   var array = ['Ram', 'Rahim', 'Remo'];
   array.forEach(function(e) {
      document.write(e);
      document.write("</br>");
   });
</script>
</body>
</html>