In this Article we will go through how to immutably rename object keys 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 renameKeys = (keysMap, obj) => Object.keys(obj).reduce((acc, key) => ({ ...acc, ...{ [keysMap[key] || key]: obj[key] }}), {});

In this Article we will go through how to multiply 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 mul = (...args) => args.reduce((a, b) => a * b);

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 calculate the remainder of division of 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 remainder = (...args) => args.reduce((a, b) => a % b);

In this Article we will go through how to calculate the sum of 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 sum = (...args) => args.reduce((a, b) => a + b);

In this Article we will go through how to clamp a number between two values 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 clamp = (val, min = 0, max = 1) => Math.max(min, Math.min(max, val));