Sep 9, 2021 JavaScript
How to uppercase the first character of each word in a string in JavaScript

In this Article we will go through how to uppercase the first character of each word in a 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 uppercaseWords = str => str.split(' ').map(w => `${w.charAt(0).toUpperCase()}${w.slice(1)}`).join(' ');

Sep 9, 2021 JavaScript
How to check if a string is a palindrome in JavaScript

In this Article we will go through how to check if a string is a palindrome 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 isPalindrome = str => str === str.split('').reverse().join('');

Sep 9, 2021 JavaScript
How to check if two strings are anagram in JavaScript

In this Article we will go through how to check if two strings are anagram 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 areAnagram = (str1, str2) => str1.toLowerCase().split('').sort().join('') === str2.toLowerCase().split('').sort().join('');

Sep 9, 2021 JavaScript
How to remove empty lines of a text document in JavaScript

In this Article we will go through how to remove empty lines of a text document 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 removeEmptyLines = str => str.split(/\r?\n/).filter(line => line.trim() !== '').join('\n');

Sep 9, 2021 JavaScript
How to check if a date is a weekday in JavaScript

In this Article we will go through how to check if a date is a weekday 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 isWeekday = (date = new Date()) => date.getDay() % 6 !== 0;

Sep 9, 2021 JavaScript
How to check if a date is a weekend in JavaScript

In this Article we will go through how to check if a date is a weekend 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 isWeekend = (date = new Date()) => date.getDay() % 6 === 0;

Sep 9, 2021 JavaScript
How to check if a date is between two dates in JavaScript

In this Article we will go through how to check if a date is between two dates 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 isBetween = (date, min, max) => (date.getTime() >= min.getTime() && date.getTime() <= max.getTime());

Sep 9, 2021 JavaScript
How to check if a date is today in JavaScript

In this Article we will go through how to check if a date is today 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 isToday = (date) => date.toISOString().slice(0, 10) === new Date().toISOString().slice(0, 10);

Sep 9, 2021 JavaScript
How to check if a flat array has duplicate values in JavaScript

In this Article we will go through how to check if a flat array has duplicate values 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 hasDuplicateValues = arr => new Set(arr).size !== arr.length;

Sep 9, 2021 JavaScript
How to check if a date occurs in the current year in JavaScript

In this Article we will go through how to check if a date occurs in the current year 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 isCurrentYear = (date) => date.getUTCFullYear() === new Date().getUTCFullYear();