Articles tagged in: Node.js

Increase a Date in JavaScript by One Week

When building tools that work with dates, you may want to provide a button that acts as a shortcut to increase a date by one week. Internally, your application still works with actual dates and you may want to calculate the date in one week. This tutorial shows you how …

Continue Reading

Get Tomorrow’s Date in JavaScript

Imagine a planning tool like a ToDo-list where you want to schedule a task due for tomorrow. Clicking a button “plan for tomorrow“ sets the due date to tomorrow. Your database still needs an actual date as the deadline. This tutorial shows you how to retrieve tomorrow’s date in …

Continue Reading

Generate a Random String in Node.js or JavaScript

Generating random strings in Node.js or JavaScript is useful in various situations. For example, when generating an application or encryption key you want to create random strings with a minimal chance of duplication or collision. This tutorial shows you two ways to create a random string with JavaScript. {{outline} …

Continue Reading

Remove All Whitespace From a String in JavaScript

String replacements in JavaScript are a common task. It still can be tricky to replace all appearances using the string.replace() function. Removing all whitespace can be cumbersome when it comes to tabs and line breaks. Luckily, JavaScript’s string.replace() method supports regular expressions. This tutorial shows you how …

Continue Reading

Node.js — Run Async Functions in Batches

When working with arrays of data, you may need to run an asynchronous operation on each item. The Promise.all() method provides a convenient interface to run a list of promises in parallel, but it has some limitations. Using Promise.all() may overload the available resources, especially when reaching out …

Continue Reading

learn hapi — Bringing Back JWT Claims in the JWT Payload

The recent tutorials in this series on JSON web tokens introduced a handful of code changes. For example, you switched the packages creating JWTs from jsonwebtoken to node-jose to support encrypted and nested tokens. A downside of this switch: the JWT-related claims were added jsonwebtoken automatically when creating a new …

Continue Reading
Page 1 of 24

Explore the Library

Find interesting tutorials and solutions for your problems.