JSFiddle - React, Tailwind, and code Playground
HTML
<section>
<h2>Test</h2>
<form id="form">
<input type="text" name="test" id="test" required/>
<input type="text" name="test" id="test2" required/>
<input type="submit" value="Test"/>
</form>
</section>
JavaScript
$(form).find('input').on('keydown', function(e){
if(e.which == 13) // KEY.ENTER = 13
e.preventDefault();
});