JavaScript Controls

I have a website that accesses an API from an external server (not the server that serves the websi… Read more Is It Possible To Add A Request Header To A Cors Preflight Request?

Is there any way to detect flash-plugin crashes in major browsers (firefox, ie, chrome, safari and … Read more Detect Flash Plugin Crashes

I'm really enjoying ES6 generators. Is there a way I can detect generator support in browsers? … Read more How Can I Feature-detect Es6 Generators?

I often read that changing a style after reading the element's style is a bad practice as it tr… Read more Why Does Reading Dom Measurements Trigger A Layout/reflow?

Here's documentation on exiting fullscreen mode. I used this code that I learnd to make the bro… Read more How Can We Programmatically Enter And Exit The Fullscreen Mode In Javascript?

I am trying something like below, var myWindow = null; if(!myWindow || myWindow.closed) { myWin… Read more On Ie9, Win 7 Window.open() Returns Null Instead Of Reference Of The Opened Window

Using element id's is the fastest way for javascript to 'get' an element. Is there a ru… Read more How Many Element Id's Can Browsers Safely Handle Before Performance Degredation?

While my page is loading content via XHR, if the user clicks the stop button or clicks to go to ano… Read more Detect Xhr Error Is Really Due To Browser Stop Or Click To New Page