JavaScript Guide

My script is a Firefox addon so has access to sensitive code like access to filesystem etc. I displ… Read more Save Pdf Directly To File Using Jspdf

I can't find a way to execute a script when a page is reached via the browser's BACK button… Read more Triggering A Script (js Or Jquery) Using Browser's "back" Function

I am developing a Firefox addon and I was wondering how to get the contents of the search box in th… Read more Getting The Contents Of The Toolbar Search Box Using The Mozilla Firefox Add-on Sdk

Using Chrome, I setup a XMLHttpRequest: const xhr = new XMLHttpRequest(); xhr.open(method, url, tru… Read more Handle Xmlhttprequest Response With Large Data

i have this javascript code : function pageWidth() { return (window.innerWidth != null … Read more Javascript And Doctype In Firefox Bug

It seems like there has been a change to some recent version of Chrome and Firefox*, and now Javasc… Read more Javascript Performance When Running In An Unfocused Tab

Recently a friend of mine and I have been working on a Firefox extension. He handed the code to me … Read more What Does Paragraph About Figuring Out Xul Elements Mean In Mdn Document: "how To Convert An Overlay Extension To Restartless"

I'm using the Web Notification API to show desktop notifications from my web app under OSX. In … Read more Disable Default Alert Sound For Firefox Web Notifications