Sep 9, 2021 JavaScript
How to trim slashes at the beginning and the end of a string in JavaScript

In this Article we will go through how to trim slashes at the beginning and the end of 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 trimSlashes = str => str.replace(/^\/+|\/+$/g, '');

Sep 9, 2021 JavaScript
How to trim some character in JavaScript

In this Article we will go through how to trim some character 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 trim = (str, char) => str.split(char).filter(Boolean).join();

Sep 9, 2021 JavaScript
How to trim the file extension from a file name in JavaScript

In this Article we will go through how to trim the file extension from a file name 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 trimExt = fileName => fileName.indexOf('.') === -1 ? fileName : fileName.split('.').slice(0, -1).join('.');

Sep 9, 2021 JavaScript
How to truncate a string at full words in JavaScript

In this Article we will go through how to truncate a string at full words 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 truncate = (str, max, suffix) => str.length < max ? str : `${str.substr(0, str.substr(0, max - suffix.length).lastIndexOf(' '))}${suffix}`;

Sep 9, 2021 JavaScript
How to unescape html special characters in JavaScript

In this Article we will go through how to unescape html special characters 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 unescape = str => str.replace(/&amp;/g , '&').replace(/&lt;/g  , '<').replace(/&gt;/g  , '>').replace(/&#0*39;/g , "'").replace(/&quot;/g, '"');

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 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 get the length of a string in bytes in JavaScript

In this Article we will go through how to get the length of a string in bytes 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 bytes = str => new Blob([str]).size;

Sep 9, 2021 JavaScript
How to get the number of a character in a string in JavaScript

In this Article we will go through how to get the number of a character 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 characterCount = (str, char) => str.split(char).length - 1;

Sep 9, 2021 JavaScript
How to make the first character of a string lowercase in JavaScript

In this Article we will go through how to make the first character of a string lowercase 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 lowercaseFirst = str => `${str.charAt(0).toLowerCase()}${str.slice(1)}`;