GitHub 6248★

Uppercase the first character of each word in a string

JavaScript version

const uppercaseWords = (str) =>
str
.split(' ')
.map((w) => `${w.charAt(0).toUpperCase()}${w.slice(1)}`)
.join(' ');

// Or
const uppercaseWords = (str) => str.replace(/^(.)|\s+(.)/g, (c) => c.toUpperCase());

TypeScript version

const uppercaseWords = (str: string): string =>
str
.split(' ')
.map((w) => `${w.charAt(0).toUpperCase()}${w.slice(1)}`)
.join(' ');

// Or
const uppercaseWords = (str: string): string => str.replace(/^(.)|\s+(.)/g, (c) => c.toUpperCase());

Examples

uppercaseWords('hello world'); // 'Hello World'
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