JSFiddle - React, Tailwind, and code Playground

HTML

<button contenteditable>
  Hello button
</button>

JavaScript

const button = document.querySelector('button[contenteditable]')
button.addEventListener('keydown', function (event) {
if (event.code !== 'Space') {
return
}
event.preventDefault()
event.stopPropagation()
document.execCommand("insertText", false, ' ')
})