Jquery event.which alphanumeric

Is it safe to assume that event. I've been testing key. Still, not sure if this is a good aproach — Alwin Kesler. I can't guarantee that this works for anything beyond numbers and letters, which was the original question.

For Control, Escape, etc. Then I'd use the approach Andy E suggested: document. Tim Down Tim Down k 69 69 gold badges silver badges bronze badges. This is a much better answer as this is probably the behavior that people are looking for.

TKoL: Interesting. It does fire in Firefox but not Chrome. That's changed since TKoL: Or has it? I'm not sure now after a bit of googling. I'd normally check something like that before asserting it though. Douwe Maan Douwe Maan 6, 2 2 gold badges 32 32 silver badges 34 34 bronze badges. You can also use charCode with onKeyPress event: if event.

Donnie Gallocanta Jr. Accept numbers or letters with javascript by Dynamic Process using regular Expression. Bharat Kumar Bharat Kumar 87 1 1 silver badge 2 2 bronze badges. As Gibolt said, you should Use event. Examples include the right Shift key and the right Alt key Option on a Mac keyboard. The key is located on the numeric keypad, or is a virtual key associated with the numeric keypad if there's more than one place the key could originate from.

Examples include the digits on the numeric keypad, the keypad's Enter key, and the decimal point on the keypad. This interface also inherits properties of its parents, UIEvent and Event. Returns a DOMString with the code value of the physical key represented by the event. Warning: This ignores the user's keyboard layout, so that if the user presses the key at the "Y" position in a QWERTY keyboard layout near the middle of the row above the home row , this will always return "KeyY", even if the user has a QWERTZ keyboard which would mean the user expects a "Z" and all the other properties would indicate a "Z" or a Dvorak keyboard layout where the user would expect an "F".

If you want to display the correct keystrokes to the user, you can use Keyboard. Returns a boolean value that is true if the Ctrl key was active when the key event was generated. Returns a boolean value that is true if the event is fired between after compositionstart and before compositionend. Returns a DOMString representing the key value of the key represented by the event. Returns a DOMString representing a locale string indicating the locale the keyboard is configured for.

This may be the empty string if the browser or device doesn't know the keyboard's locale. Note: This does not describe the locale of the data being entered. A user may be using one keyboard layout while typing text in a different language.

Returns a Number representing the location of the key on the keyboard or other input device. A list of the constants identifying the locations is shown above in Keyboard locations.

Returns a boolean value that is true if the key is being held down such that it is automatically repeating. Returns a boolean value that is true if the Shift key was active when the key event was generated. This interface also inherits methods of its parents, UIEvent and Event. Returns a boolean value indicating if a modifier key such as Alt , Shift , Ctrl , or Meta , was pressed when the event was created.

Initializes a KeyboardEvent object. Note that it also disallows the space bar that's what was needed for my application. Jquery to allow alphanumeric characters and non-text key presses.

Asked By: Shri Harry. Answered By: Irvin Dominin. The script allow the use of the arrows, backspace and delete button, preventing anything else.

Non-alphanumeric characters should be disallowed. You also want to prevent users from copying and pasting non-alphanumeric characters into the TextBox. Once another key is pressed the characters are removed.