I’m well aware of the standard event firing mechanisms for browsers, but I have a need for a JavaScript library that will simulate cursor and insertion point navigation via the keyboard. In particular, I need a library that will allow me to move the insertion point, but will also handle expanding or col…
Tag: dom-events
Javascript trick for ‘paste as plain text` in execCommand
I have a basic editor based on execCommand following the sample introduced here. There are three ways to paste text within the execCommand area: Ctrl+V Right Click -> Paste Right Click -> Paste As Plain Text I want to allow pasting only plain text without any HTML markup. How can I force the first two a…
Kinetic layer on top of Openlayers
I developed a canvas visualization of OpenStreetMaps by means of miscellaneous scripts and rendering algorithms from the internet. On top of this I have a Kinetic Stage which draws custom objects which cannot be drawn by the functionality of Openlayers. Openlayers provides many functions which I want to use a…
Google Chrome extensions simple message passing error
I am trying to pass a message between my popup to a background page using the one message interface (I’m using code similar to the one in Google’s example for this). popup: and this is how I listen (and reply) in background.js: Now when I inspect everything in the console the messages are exchange…
Javascript disabling Div element on submit
The code below just hides the movie that I am playing behind. Remove element (if possible) or disable it, specially movie playing in background. I tried using document.video.disabled=true; but its not working. Any idea how to go around this problem please? Answer Try
Basic example of initKeyboardEvent
I’m trying to find a basic example of the use of initKeyboardEvent(). Ideally, I want to create a keyboard event where when the enter button is pressed when a user is typing in one input field, another input field will be shown using jQuery. Does anyone know where I can find a basic understandable examp…
Logic for multiple and single select/combo boxes
Below is my code: When select-box or combo-box is looped for ten times then I am getting form[“city”] length as 10 properly and behaviour of alerts within combox-box is appropriate, but if I have a single-select-box, then instead of giving form[“city”] length as 1 it gives it as 4 whic…
JavaScript onkeydown, return true,false
I am studying Javascript and I am at this simple code:Link, I understand this code but the only thing that I don’t understand is the return false. I tried return true, and even I deleted the return line, and looked at FireFox, Chrome, and IE, and three of them didn’t look like something happened s…
Why does an anonymous function get called, whereas a named function doesn’t?
I’m creating a CoffeeScript application that overlays a webcam video with a canvas element (this is just for context and doesn’t seem to relate to my problem though). To get the proper canvas size to overlay on the video, I attach an event handler function to the loadedmetadata event like this: Th…
Why don’t audio and video events bubble?
I was wondering why some Javascript of mine would not work until I figured that the audio events did not bubble up the DOM tree, e.g. the timeupdate-event. Is there a rationale for not letting the events of the audio- and video-tag bubble? Answer The reason why event bubbling exists is solve the ambiguous que…