JS & Node

Welcome to a tutorial on how to create hooks in Javascript. You may have heard of hooks from other tutorials, frameworks, or have already used them in other programming languages. But just what are hooks? How do we use and implement hooks in Javascript? Hooks are usually used to intercept procedures, and possibly change the

Welcome to a tutorial on how to fetch JSON data in Javascript. So you are working on a project that needs to get some data from the server? But just how do we deal with this “JSON data”? To get JSON data in Javascript, simply fetch and parse the data as JSON: fetch(“URL”) .then(res =>

Welcome to a beginner’s tutorial on how to debug Javascript fetch. So you have just picked up AJAX, but ran into a problem with it “not working properly? How do we debug and find out what has gone wrong? The easiest way to debug Javascript fetch is to set it to report all errors. fetch(“URL”)

Welcome to a quick tutorial on how to strip or remove HTML tags in Javascript. Need to extract “text-only” from a string of HTML code? Sanitize a string to make sure there are no HTML tags? There are 4 common ways to strip or remove HTML tags in Javascript: Use regular expression – var txt

Welcome to a quick tutorial on how to remove line breaks in Javascript. Want to remove all line breaks and create a “flat string” in Javascript? There are actually a few ways to do it: STRING.replace(/\r?\n|\r/, “”); STRING.replaceAll(“\r”, “”).replaceAll(“\n”, “”); To remove HTML line breaks – STRING.replaceAll(“<br>”, “”).replaceAll(“<br/>”, “”); To remove only leading and trailing

Welcome to a tutorial on how to encrypt and decrypt passwords in Javascript. First, a piece of good news for you guys – Javascript has a native web crypto API that we can use to protect passwords, and there are plenty of free crypto libraries as well. But now for the bad news – Password