How to capitalize string - JavaScript

Mo Ibra

•

Jan 5, 2023

2 min read

156 words

In this article we will learn how to capitalize a string in JavaScript.

It is very common to capitalize a string in JavaScript in JavaScript.

Problem

Now we have a problem which is that we want to capitalize a string.

Now let's imagine that we have an string like this:

"hello world!"

And want to capitalize this string to became like this:

"HELLO WORLD!"

How to solve this problem?

The solution to this problem is easy, especially since there is a built-in function that does this called toUpperCase().

As we said before, we can use toUpperCase method to capitalize our string.

Let's see an example:

// String
const string = "hello world!";

// Capitalize your string
const capitalize = string.toUpperCase();

// Result:
console.log(capitalize);

Output

HELLO WORLD!

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