In this Article we will go through how to pick a subset of properties 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 pick = (obj, keys) => Object.keys(obj).filter(k => keys.includes(k)).reduce((res, k) => Object.assign(res, {[k]: obj[k]}), {});

In this Article we will go through how to remove all null and undefined properties from 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 removeNullUndefined = obj => Object.entries(obj).reduce((a, [k, v]) => (v == null ? a : (a[k] = v, a)), {});

In this Article we will go through how to shallow copy 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 shallowCopy = obj => Object.assign({}, obj);

In this Article we will go through how to sort an object by its properties 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 sort = obj => Object.keys(obj).sort().reduce((p, c) => (p[c] = obj[c], p), {});

In this Article we will go through how to generate a random boolean 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 randomBoolean = () => Math.random() >= 0.5;

In this Article we will go through how to generate a random floating point number in given range 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 randomFloat = (min, max) => Math.random() * (max - min) + min;

In this Article we will go through how to generate a random hex color 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 randomColor = () => `#${Math.random().toString(16).slice(2, 8).padEnd(6, '0')}`;

In this Article we will go through how to generate a random integer in given range 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 randomInteger = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min;

In this Article we will go through how to generate a random ip address 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 randomIp = () => Array(4).fill(0).map((_, i) => Math.floor(Math.random() * 255) + (i === 0 ? 1 : 0)).join('.');

In this Article we will go through how to generate a random sign 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 randomSign = () => Math.random() >= 0.5 ? 1 : -1;