JavaScript

Receipt designer for thermal printers – Free and open source

In the last months I have been working on a ticket designer to print on thermal printers by using ESC…

12 months hace

JavaScript: store and read files with the Origin Private File System

In this post you will learn how to use the Origin Private File System with JavaScript to store, read and…

1 year hace

JavaScript: download file with fetch

In this post you will learn how to download a file in the background using client-side JavaScript and the fetch…

1 year hace

SQLite3 with vanilla JavaScript and OPFS – Hello world

In this post I will show you how to use SQLite3 directly in the web browser using the original C…

1 year hace

Image printing on Thermal printer

When printing receipts on thermal printers (ESC POS) sometimes it is needed to print images of any type, for example,…

1 year hace

Free restaurant software

Today, I'm adding to the list of my free programs a software for managing restaurants. This program will allow you…

1 year hace

Passing parameters to Svelte function

In Svelte we can define functions that are going to be called when an event is triggered. For example, to…

1 year hace

Fix: Error en el servidor: sql: no rows in result set when using thermal printer plugin

In this post I will show you how to fix an error that appears in my thermal printer plugin that…

3 years hace

Tetris game in JavaScript – Open source

In this post I will show you the Tetris game programmed in pure JavaScript, totally free and open source. This…

4 years hace

Connect 4 in JavaScript and HTML

In this post I will show you how to program the Connect 4 game by using JavaScript with HTML and…

4 years hace

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