JavaScript - Change The Font Size Of A Element

JavaScript – Change the font size of a Element

In this post we will give you information about JavaScript – Change the font size of a Element. Hear we will give you detail about JavaScript – Change the font size of a ElementAnd how to use it also give you demo for it if it is necessary.

we are going to learn about how to change the font size of a html element using JavaScript.

Consider, that we have the following p element in our HTML:

&lt;p &gt;Random text goes here&lt;/p&gt;

Now, we want to change the above element size using JavaScript.

Changing the font size

To change the font size of a element, first we need to access the element object inside the JavaScript using the document.getElementByClassName() method.

const el = document.getElementByClassName("content");

Now, set its style.fontSize property to your desired size (eg: 10px or 20px, etc).

el.style.fontSize = "20px";

It changes the font size of a element to 20px.

Full example:

&lt;p &gt;Random text goes here&lt;/p&gt;

JavaScript:

const el = document.getElementByClassName("content");el.style.fontSize = "20px"; // changes the font size

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