In this Article we will go through how to get the intersection of arrays 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 getIntersection = (a, ...arr) => [...new Set(a)].filter(v => arr.every(b => b.includes(v)));

In this Article we will go through how to get the rank of an array of 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 ranking = (arr) => arr.map((x, y, z) => z.filter(w => w > x).length + 1);

In this Article we will go through how to find the index of the minimum item of an array 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 indexOfMin = arr => arr.reduce((prev, curr, i, a) => curr < a[prev] ? i : prev, 0);

In this Article we will go through how to find the length of the longest string in an array 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 findLongest = words => Math.max(...(words.map(el => el.length)));

In this Article we will go through how to find the maximum item of an array by given key 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 maxBy = (arr, key) => arr.reduce((a, b) => a[key] >= b[key] ? a : b, {});

In this Article we will go through how to find the maximum item of an array 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 max = arr => Math.max(...arr);

In this Article we will go through how to find the minimum item of an array by given key 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 minBy = (arr, key) => arr.reduce((a, b) => a[key] < b[key] ? a : b, {});

In this Article we will go through how to find the minimum item of an array 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 min = arr => Math.min(...arr);

In this Article we will go through how to flatten an array 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 flat = arr => [].concat.apply([], arr.map(a => Array.isArray(a) ? flat(a) : a));

In this Article we will go through how to create cartesian product 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 cartesian = (...sets) => sets.reduce((acc, set) => acc.flatMap((x) => set.map((y) => [...x, y])), [[]]);