Skip to content

JavaScript array find method Examples

  • by

Javascript Array Find method is used to get the value of the first element in the array that satisfies the given condition.

It a built- method and returns the value of the first element in an array that passes a given test condition as a function.

Note:

  • find() method doesn’t t execute the function for empty arrays.
  • And doesn’t change the original array.

Syntax

array.find(function(element))

Parameter Values

  • element:- Which you want find and its current element in the array.

Return value

It returns the value of the first element in the provided array that satisfies the provided testing function

Examples of JavaScript array find method

let’s see example of Array find() function in JS.

The find() method executes the function once for each element present in the array: If it finds an array element then it will return the value of that element and doesn’t t check the remaining values. Otherwise, it returns the undefined output.

<!DOCTYPE html>
<html>
    <head>
        <title> Example</title>
        <script type="text/javascript">
        	// input array contain some elements. 
		var array = [10, 20, 30, 40, 50]; 
  
			// function (return element > 10). 
			var found = array.find(function(element) { 
  				return element > 20; 
			}); 

        	// show output in alert
        	alert(found)

        </script>
    </head>
    
</html>

Output:

JavaScript array find method Examples

Do comment if you have any doubts and suggestion on this tutorial.

Note: The All JS Examples codes are tested on the Safari browser (Version 12.0.2) and Chrome.
OS: macOS 10.14 Mojave
Code: HTML 5 Version

Leave a Reply

Discover more from Tutorial

Subscribe now to keep reading and get access to the full archive.

Continue reading