In this Article we will go through how to check if a given integer is a prime number 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 isPrime = num => (num > 1) && Array(Math.floor(Math.sqrt(num)) - 1).fill(0).map((_, i) => i + 2).every(i => num % i !== 0);

In this Article we will go through how to check if a number is a power of 2 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 isPowerOfTwo = number => (number & (number - 1)) === 0;

In this Article we will go through how to check if a number is even 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 isEven = number => number % 2 === 0;

In this Article we will go through how to unescape html special characters 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 unescape = str => str.replace(/&amp;/g , '&').replace(/&lt;/g  , '<').replace(/&gt;/g  , '>').replace(/&#0*39;/g , "'").replace(/&quot;/g, '"');

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 check if a date is a weekend 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 isWeekend = (date = new Date()) => date.getDay() % 6 === 0;

In this Article we will go through how to check if a date is between two dates 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 isBetween = (date, min, max) => (date.getTime() >= min.getTime() && date.getTime() <= max.getTime());

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('');