In this Article we will go through how to calculate the factorial of a 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 factorial = n => n <= 1 ? 1 : n * factorial(n - 1);

In this Article we will go through how to calculate the mod of collection index 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 mod = (a, b) => ((a % b) + b) % b;

In this Article we will go through how to get the first defined and non null argument 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 coalesce = (...args) => args.find(item => item !== undefined && item !== null);

In this Article we will go through how to get the value of a cookie 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 cookie = name => `; ${document.cookie}`.split(`; ${name}=`).pop().split(';').shift();

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 convert url parameters to 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 getUrlParams = query => Array.from(new URLSearchParams(query)).reduce((p, [k, v]) => Object.assign({}, p, { [k]: p[k] ? (Array.isArray(p[k]) ? p[k] : [p[k]]).concat(v) : v}), {});