JSFiddle - React, Tailwind, and code Playground

HTML

Buy
<span class="closeform">
    <input id="my_input" type="text" name="eggs"/> 
 </span> 
    tomorrow.

CSS

.closeform{
    width: 70px;
}

.closeform input {
    width: 70px;
}

.closeform button {
    width: 70px;
}

JavaScript

document.getElementById('my_input').onclick = function () {
    this.value = this.name;
};