In this Article we will go through how to invert keys and values of an object 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 invert = obj => Object.keys(obj).reduce((res, k) => Object.assign(res, {[obj[k]]: k}), {});

In this Article we will go through how to prefix an integer with zeros 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 prefixWithZeros = (number, length) => (number / Math.pow(10, length)).toFixed(length).substr(2);

In this Article we will go through how to round a number to a given number of digits 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 round = (n, decimals = 0) => Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`);

In this Article we will go through how to subtract arguments 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 subtract = (...args) => args.reduce((a, b) => a - b);

In this Article we will go through how to truncate a number at decimal 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 truncate = n => ~~n;

In this Article we will go through how to truncate a number to a given number of decimal places without rounding 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 toFixed = (n, fixed) => `${n}`.match(new RegExp(`^-?\\d+(?:\.\\d{0,${fixed}})?`))[0];

In this Article we will go through how to compute the greatest common divisor between two numbers 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 gcd = (a, b) => b === 0 ? a : gcd(b, a % b);

In this Article we will go through how to convert a number to equivalent 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 toChars = n => `${n >= 26 ? toChars(Math.floor(n / 26) - 1) : ''}${'ABCDEFGHIJKLMNOPQRSTUVWXYZ'[n % 26]}`;

In this Article we will go through how to convert a string to 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 toNumber = str => +str;

In this Article we will go through how to convert decimal to binary recursively 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 decToBi = num => num === 0 ? 0 : num % 2 + 10 * decToBi(~~(num / 2));