Event which backspace

This also means that we can not fire the keypress event with key combinations like Ctrl Z , Shift Tab , and so on. Moreover, the keypress event has been deprecated.

This is a big enough reason to avoid it. While both keydown and keyup events cover all the keys and are well supported by most browsers, there are a few differences that push keydown ahead of keyup. The keydown event fires before the browser processes the key, whereas the keyup event fires after the browser processes the key. If you cancel a keydown event say, using event. In case of the keyup event, the browser's action will not be canceled even when you have canceled the event.

How to use the KeyboardEvent properties in practice This is the billion dollar question! It depends on: The browser support for your application How legacy is your application code is and how much are you willing to refactor? The value is true when Alt key is pressed. The value is true when Control key is pressed. The value is true when Shift key is pressed.

The value is true when any of the Meta keys are pressed. No code Code value of the Physical Key. No key The actual value of the key pressed. No charCode Returns the Unicode value. This has been deprecated and we should use the key property instead.

Yes keyCode Returns the neumeric code of the pressed value. Yes which Returns the neumeric code of the pressed value. Yes The last three properties are deprecated and you should use the key property instead.

Modifier Keys The modifier keys are the special keys on your keyboard that modify the default behavior of the other keys. Key Combinations We can combine multiple keys and perform actions based on the key combinations. The code snippet below shows how to combine the Control and z key to define an action: document. Key Name event.

Hoever the event. The event. There are primarily three key events, keydown , keypress , and keyup. We should use the keydown event type as much as possible as it satisfies most of the use-cases. The keypress event type has been deprecated. Use event. If you have to support an older browser, use appropriate fallback for key detection.

We can combine multiple keys and perform operations. The virtual keyboard supports these events as long as the layout and functions are similar to the standard keyboard.

Returns the Unicode value. Returns the neumeric code of the pressed value. Also FF provides the code value as, VolumeMute. Also FF provides the code value as, VolumeDown. Examples of keys that don't produce a character value are modifier keys such as Alt, Shift, Ctrl, or Meta. I'm using a keypress listener eg.. Is there a different listener I can use to detect this? Asked By: Skizit. Answered By: Kris Ivanov. Answered By: Tomalak.

Answered By: user Answered By: Seth McClaine. It's an old question, but if you wanted to catch a backspace event on input, and not keydown, keypress, or keyup—as I've noticed any one of these break certain functions I've written and cause awkward delays with automated text formatting—you can catch a backspace using inputType:.

Supported Browsers. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Detect backspace and del on "input" event? Ask Question. Asked 9 years, 7 months ago. Active 6 months ago. Viewed k times. How to do that? Improve this question. Alex Alex You actually don't need to do the or'ing - event. See api. You're supposed to put the name of the event as the first argument of.

Add a comment. Active Oldest Votes. Improve this answer. Wouter J Wouter J Wouter -- Not that it's a big deal, but I think there's a typo in the code for jquery. I think you meant to add the parameter name "event" to the on-keydown event handler.