JavaScript The JavaScript compiler places the functions of declarative in a global scope to the entire program unlike the expression functions that only corresponds to a definite section of the program.

JavaScript The Page Visibility API allows us to know when a web page is being viewed by the user and therefore we can make configurations to avoid the use of unnecessary resources.

JavaScript In this post we will see an experiment that simulates an ode using the Canvas element and JavaScript.

JavaScript In this entry I will show you the main selectors used by me; with selectors we can save a lot of work and thus avoid "inventing" names through classes or identifiers to reference or select elements.

JavaScript The FullScreen API allows you to present a web page or the different elements that make it up in full screen or FullScreen.

JavaScript Web workers allow code sections of JavaScript files to be executed in parallel in a separate thread; In this entry we will see how to work with web workers.

JavaScript In this entry we will present an API for reading files uploaded using input type="file" or other methods such as Drag and Drop with JavaScript.

JavaScript We will see how to handle errors in JavaScript through the try catch and some possible variants; Handling errors in projects is a fundamental task for the good flow of the application.

JavaScript We will see how to work with part of the file API in JavaScript and get file data such as the extension, MIME, size of the files that are loaded locally through the input type="file" and derivatives.

JavaScript In this post we will see how to create a simple particle system with JavaScript and Canvas and animate it with requestAnimationFrame.