JSFiddle - React, Tailwind, and code Playground

HTML

<h3>A demonstration of how to access a SELECT element</h3>

<select id="mySelect" >
  <option>Apple</option>
  <option>Pear</option>
  <option>Banana</option>
  <option>Orange</option>
    <option>Apple</option>
  <option>Pear</option>
  <option>Banana</option>
  <option>Orange</option>
</select>

<p>Click the button to get the number of option elements found in a drop-down list.</p>

<button onclick="myFunction()">Try it</button>


<table style="width:700px;height:700px;margin:0 auto;border:1px solid black;" >
<tr>
    <td style="border:1px solid black;;" onclick="myFunction();"> <div id = "demo" onChange="myFunction()">T</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demoo" onchange="medo()"></div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onchange="myFunction()">Try it</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
</tr>
<tr>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
    <td style="border:1px solid black;border-collapse:collapse;" onclick="myFunction();"> <div id= "demo" onclick="myFunction()">Try it</div></td>
    <td style="border:1px...

JavaScript

function myFunction() {
    var x = document.getElementById("mySelect").value;
    document.getElementById("demo").innerHTML = x ;
}