How to compare arrays in JavaScript?

Javascript Web Development Front End Technology

To compare arrays in JavaScript, try to run the following code. The matched elements from both the arrays get displayed here:

Example

Live Demo

<html>    
   <body>            
      <script>                
         var arr1 = [50,60,65,90];        
         var arr2 = [25,35,50,90];  
         for (i = 0; i < arr1.length; i++) {          
            for (z = 0; z < arr1.length; z++) {              
               if (arr1[i] === arr2[z]) {                
                  document.write("<br>Matched element: "+arr2[z]);            
               }          
            }        
        }  
      </script>          
   </body>
</html>

Output

Matched element: 50
Matched element: 90

Syed Javed

Published on 22-Apr-2018 17:51:31

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