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 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 add an ordinal suffix to 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 addOrdinal = n => `${n}${['st', 'nd', 'rd'][((n + 90) % 100 - 10) % 10 - 1] || 'th'}`;

In this Article we will go through how to calculate fibonacci 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 fibo = (n, memo = {}) => memo[n] || (n <= 2 ? 1 : (memo[n] = fibo(n - 1, memo) + fibo(n - 2, memo)));