JavaScript College

I have a JS listener to check file type on file upload (input type file). I placed it in the head o… Read more Javascript Listener On Load - Not Loading

I am trying to remove a class and add a class within one function. But when I click on the button n… Read more I Can't Add Or Remove A Class

I need help with a movement function for a canvas game. Below is what I have, and what happens is t… Read more Javascript Movement On Key Hold

Im using swfobject to embed the vimeo video, it's pretty simple, var vimPlayer; function vimeo… Read more How Do I Add An Event Listener?

For some reason, the event listener is firing twice for each element when passing arguments into an… Read more Addeventlistener Firing Multiple Times For The Same Handle When Passing In Arguments With Anonymous Function

I have a problem with my Javascript code. I want to make a flip on my cards with a click on a butto… Read more How Can I Resolve My Problem About Flip Cards In Javascript?

I'm trying to get caps lock status on focus event of input this is my code $('#Input')[… Read more How Can Use "getmodifierstate" On Focus Event With Js?

I'm guessing I have a basic error in thinking but I just can't get around it. I have a coup… Read more Addeventlistener For Multiple Elements Doesn't Work With "focus" Event

How do I remove the click listener I bound to window in the constructor below? I need it to listen … Read more Remove Event Listener That Has Been Added Using Bind(this)

I need a cross-browser function for registering event handlers and a (mostly) consistent handler ex… Read more Cross-browser Event Handling

In my document, there are two svg images: the preview and the result. The result image is computed … Read more Must An Element Be Visible In Order To "load" Event Listener To Work?