In this Article we will go through how to uppercase the first character of each word in 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.

Let's define this short function:

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

In this Article we will go through how to check if a date is a weekday 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.

Let's define this short function:

const isWeekday = (date = new Date()) => date.getDay() % 6 !== 0;

In this Article we will go through how to replace multiple spaces with a single space 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.

Let's define this short function:

// Replace spaces, tabs and new line characters
const replaceSpaces = str => str.replace(/\s\s+/g, ' ');

// Only replace spaces
const replaceOnlySpaces = str => str.replace(/  +/g, ' ');

In this Article we will go through how to replace the first given number of characters of a string with another character 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.

Let's define this short function:

const mask = (str, num, mask) => `${str}`.slice(num).padStart(`${str}`.length, mask);

In this Article we will go through how to reverse 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.

Let's define this short function:

const reverse = str => str.split('').reverse().join('');

In this Article we will go through how to reverse the order of lines of a text 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.

Let's define this short function:

const reverseLines = str => str.split(/\r?\n/).reverse().join('\n');

In this Article we will go through how to sort lines of a text document in the alphabetical order 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.

Let's define this short function:

const sortLines = str => str.split(/\r?\n/).sort().join('\n');

// Reverse the order
const reverseSortedLines = str => str.split(/\r?\n/).sort().reverse().join('\n');

In this Article we will go through how to sort the characters of a string in the alphabetical order 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.

Let's define this short function:

const sort = str => str.split('').sort((a, b) => a.localeCompare(b)).join('');

In this Article we will go through how to strip ansi codes from 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.

Let's define this short function:

const stripAnsiCodes = str => str.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');

In this Article we will go through how to swap case of characters in 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.

Let's define this short function:

const swapCase = str => str.split('').map(c => (c === c.toLowerCase() ? c.toUpperCase() : c.toLowerCase())).join('');