JSFiddle - React, Tailwind, and code Playground

HTML

<td class="product"><span class="product">customer</span></td>
<td class="product"><span class="product">customer</span>,<span class="product">specifics</span></td>
<td class="product"><span class="product">admin</span>, <span class="product">specifics</span></td>

JavaScript

var toredirect = false;
var showdialog = false;
$("span.product").each(function() { 
    var rows = $(this).parents('tr')
    var val = rows.find('td.product').has('span.product').text();
    if(val == "admin")
    {
        toredirect = true;        
    }

    if(checkif(val,"customer")||checkif(val,"specifics"))
    {
        showdialog = true;      
    }
    else{}
});
/*
alert(toredirect);
alert(showdialog);
*/
if(toredirect)
{
//redirect
    return false;
}
else if(showdialog)
{
//showdialog
}

function checkif(input,word)
{
if (input.indexOf(word) > -1) {
    alert("Found: "+ word + " at " + input);
  return true;
} else {
    alert("Not found " +word + " at " + input);
  return false;
}   
}