JSFiddle - React, Tailwind, and code Playground
HTML
<form name='write' onsubmit=return write_below(this.'input_to_write'.value);>
<input type = "text" name='input_to_write'>
<input type = "button" value = "submit" />
</form>
<div id='write_here'></div>JavaScript
function write_below(form)
{
var input = document.forms.write.input_to_write.value;
alert("Hi")
document.getElementById('write_here').innerHTML="Your input was:"+input;
return false;
}