Is it possible to change the HTML content in JavaScript?

Yes, it is possible to change the content of the HTML in javascript. Usually HTML content will be in HTML tags such as

, , etc. In javascript, we have DOM methods that have an ability to access the HTML tags. Those methods, such as document.getElementById(), document.getElementByTagName(), etc., make use of tags to change the HTML content.

Example-1

In the following example, the content in the span tag is changed using a javascript DOM method document.getElementById(). 

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Once the above code is executed, we will get the following on the screen

 If we click on the above 'change' button we will get the following as output

Output

Example-2

In the following example, the content in the paragraph tag is changed using a Javascript DOM method.

   
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Once the above code is executed, we will get the following on the screen

 If we click on the above 'change' button we will get the following as output

Output