JS & Node

Welcome to a tutorial on how to create a simple shopping list in vanilla Javascript. Nope, I totally did not get the idea for this tutorial from a certain Javascript challenge. It’s original content. 😆 Anyway, a shopping list is totally possible these days with modern Javascript, using the local storage API – That is […]

Welcome to a tutorial on how to create a simple Javascript Flashcard web app. This is yet another old-school assignment that never seems to change over the years. So here’s a slightly different take on the classic, a Flashcard web app that is installable and offline capable. Read on!     TABLE OF CONTENTS Javascript Flashcards

Welcome to a tutorial on how to create a simple Javascript clock. Need to add a clock to your website? Or just learning about timers in Javascript? Well, here’s a really simple example – Read on!     TABLE OF CONTENTS Javascript Clock Download & Notes Extra Bits & Links The End   JAVASCRIPT CLOCK

Welcome to a tutorial on how to disable the browser back functionality in Javascript. So the user has signed off, but is still able to access a cached version of the protected page by going back? Or you just want the user to stay on a page? I have compiled a list of solutions from

Welcome to a tutorial on how to read and write NFC tags in Javascript. Yes, you read that right. It is totally possible to work with NFC tags in web apps – Read on for the examples!     TABLE OF CONTENTS Javascript NFC Download & Notes Extra Bits & Links The End   JAVASCRIPT

Welcome to a beginner’s tutorial on Javascript loops and iterations. Want to loop through arrays and objects, or do things repetitively? The common mechanisms to loop and iterate in Javascript are: For for (let i=0; i<10; i++) { … } For-In for (let KEY in OBJECT/ARRAY/STRING) { … } For-Of for (let VALUE of ARRAY/STRING)

Welcome to a quick tutorial and example of how to perform a cross-origin fetch request in Javascript. Are you trying to do a fetch request to a different domain? Only to be denied with a “no Access-Control-Allow-Origin header is present” error? To perform a cross-origin fetch call: On the first site, do a fetch call

Welcome to a tutorial on how to get HTML table data in Javascript. So you want to extract values from an HTML table in Javascript? One of the easiest ways to get data from an HTML table is to select all the cells and loop through them: <table id=”demo”> var cells = document.querySelectorAll(“#demo td”); for