JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<table id ="tablaProductoUnidad">
  <tr>
    <td>1</td>
    <td>7</td>
    <td>3</td>
  </tr>
  <tr>
    <td>a</td>
    <td>b</td>
    <td>c</td>
  </tr>
</table>

JavaScript

$(function(){
	var valor=$('#tablaProductoUnidad tr');
  valor.click(function(){
  	$.each($(this).find('td'), function(x,y){
  		alert($(this).html());
  	});
  });    
});