w3resource
jquery exercises

jQuery: Check if an object is a jQuery object

jQuery Practical exercise Part - I : Exercise-21

Check if an object is a jQuery object.

Sample Solution:

HTML Code :

<!DOCTYPE html>
  <html>
  <head>
  <script src="https://code.jquery.com/jquery-git.js"></script>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Check if object is a jQuery object.</title>
  </head>
  <body>
</body>
  </html>

JavaScript Code:

var obj1 = { what: "A regular JS object" },
obj2 = $('body');

if ( obj1.jquery )
{
     console.log('obj1 is a jQuery object.');    
}

if (obj2.jquery )
{ 
      console.log('obj2 is a jQuery object.');
}

See the Pen jquery-practical-exercise-21 by w3resource (@w3resource) on CodePen.


Contribute your code and comments through Disqus.

Previous: Distinguish between left and right mouse click with jQuery.
Next: How to detect whether the user has pressed 'Enter key' using jQuery.

What is the difficulty level of this exercise?



New Content: Composer: Dependency manager for PHP, R Programming