JSFiddle - React, Tailwind, and code Playground

by Dude Dude

HTML

<body>
    <table>
      <tr>
        <td class="1">1</td>
      </tr>
      <tr>
        <td class="2">1</td>
      </tr>
      <tr>
        <td class="3">2</td>
      </tr>
      <tr>
        <td class="4">2</td>
      </tr>
      <tr>
        <td class="5">2</td>
      </tr>
      <tr>
        <td class="6">2</td>
      </tr>
      <tr>
        <td class="7">3</td>
      </tr>
      <tr>
        <td class="8">4</td>
      </tr>
      <tr>
        <td class="9">2</td>
      </tr>
      <tr>
        <td class="10">1</td>
      </tr>
    </table>
</body>

JavaScript

var i=10, j=1;
while (i<=1, j<=10) {
document.getElementByClassName('j').innerHTML = i;
 i--; j++;
}