Capitalizes the first letter of a string. This is a utility Typescript function that can be copy & pasted into your codebase.

Step-By-Step Guide

1. Copy the Source Code


2 * Capitalizes the first letter of a string.
3 *
4 * @param str - The string to capitalize.
5 * @returns The capitalized string.
6 */
7export function capitalize(str: string) {
8	if (!str || typeof str !== 'string') return str;
9	return str.charAt(0).toUpperCase() + str.slice(1);

2. Use it in a file


1import { capitalize } from '@/lib/utils';
3export default function SomeComponent(){
4	const lowercaseTitle = "title";
6	return (
7		<div>{capitalize(lowercaseTitle)}</div>
8	)

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TypeScript ensures that your code is always correct. It is the best way to write JavaScript.

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