How to create my own JavaScript object?
<p>How to create my own JavaScript object and how can I check whether my custom object is present in my page or not?</p>

<p>What is the difference between JavaScript function calling using an ordinary JS file and creating a custom JavaScript object?</p>

<p>For Example:<br>
We can check the Jquery object by using the following JavaScript code:</p>

<pre><code>if(window.Jquery != 'undefined'){
    // Jquery Object is Present
}
</code></pre>
