javascript onkeypress code example

Example 1: keypress javascript

The keypress event has been deprecated, 
you should look to use beforeinput : https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/beforeinput_event
or keydown : https://developer.mozilla.org/en-US/docs/Web/API/Document/keydown_event
instead.

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Example 2: html onkeypress

<input type="text" onkeypress="myFunction()">