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 get the value of a param from a url 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 getParam = (url, param) => new URLSearchParams(new URL(url).search).get(param);

In this Article we will go through how to get type of a variable in 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 getTypeOf = obj => Object.prototype.toString.call(obj).match(/\[object (.*)\]/)[1];

In this Article we will go through how to redirect the page to https if it is in http 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 redirectHttps = () => (location.protocol === 'https:') ? {} : location.replace(`https://${location.href.split('//')[1]}`);

In this Article we will go through how to run promises in sequence 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 run = promises => promises.reduce((p, c) => p.then(rp => c.then(rc => [...rp, rc])), Promise.resolve([]));

In this Article we will go through how to swap two variables 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:

[a, b] = [b, a];

In this Article we will go through how to wait for an amount of time 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 wait = async (milliseconds) => new Promise((resolve) => setTimeout(resolve, milliseconds));

In this Article we will go through how to detect dark mode only using single line of code in JavaScript.

Let's define this short function:

const isDarkMode = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;

In this Article we will go through how to easing functions 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:

// Some easing functions
// See https://gist.github.com/gre/1650294 and https://easings.net

const linear = t => t;

const easeInQuad = t => t * t;
const easeOutQuad = t => t * (2-t);
const easeInOutQuad = t => t < .5 ? 2 * t * t : -1 + (4 - 2 * t) * t;

const easeInCubic = t => t * t * t;
const easeOutCubic = t => (--t) * t * t + 1;
const easeInOutCubic = t => t < .5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1;

const easeInQuart = t => t * t * t * t;
const easeOutQuart = t => 1 - (--t) * t * t * t;
const easeInOutQuart = t => t < .5 ? 8 * t * t * t * t : 1 - 8 * (--t) * t * t * t;

const easeInQuint = t => t * t * t * t * t;
const easeOutQuint = t => 1 + (--t) * t * t * t * t;
const easeInOutQuint = t => t < .5 ? 16 * t * t * t * t * t : 1 + 16 * (--t) * t * t * t * t;

const easeInSine = t => 1 + Math.sin(Math.PI / 2 * t - Math.PI / 2);
const easeOutSine = t => Math.sin(Math.PI / 2 * t);
const easeInOutSine = t => (1 + Math.sin(Math.PI * t - Math.PI / 2)) / 2;

const easeInElastic = t => (.04 - .04 / t) * Math.sin(25 * t) + 1;
const easeOutElastic = t => .04 * t / (--t) * Math.sin(25 * t);
const easeInOutElastic = t => (t -= .5) < 0 ? (.02 + .01 / t) * Math.sin(50 * t) : (.02 - .01 / t) * Math.sin(50 * t) + 1;

In this Article we will go through how to emulate a dice throw 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 throwdice = () => ~~(Math.random() * 6) + 1;