js code to make the contents of multiple input boxes change at the same time_javascript skills

<input type="text" name="word" id="1"> <input type="text" name="word" id="2"> <input type="text" name="word" id="3"> <input type="text" name="word" id="4">
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Definition and usage

The onkeyup event occurs when a keyboard key is released. Syntax

onkeyup="SomeJavaScriptCode" Parameter Description
SomeJavaScriptCode Required. Specifies the JavaScript to be executed when this event occurs.
HTML tags that support this event:
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