In this Article we will go through how to capitalize a string only using single line of code in JavaScript.
This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
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Let's define this short function:
const capitalize = str => `${str.charAt(0).toUpperCase()}${str.slice(1)}`;
const capitalize = ([first, ...rest]) => `${first.toUpperCase()}${rest.join('')}`;
capitalize('hello world'); // 'Hello world'