JSFiddle - React, Tailwind, and code Playground

HTML

<table id='tbl1' class="table table-hover table-bordered">
        <thead>
          <tr>
            <th>#</th>
            <th>Ime izdelka</th>
            <th>Opisni REF</th>
            <th>LOT/serijska/EDI</th>
            <th>Stanje (REF)</th>
            <th>Stanje (LOT)</th>
            <th>Privzeta skupina</th>
          </tr>
        </thead>
        <tfoot>

        </tfoot>
        <tbody>
            <tr style="background-color: rgb(255, 255, 0);">
              <td data-id="iROW_NUMBER" style="background-color: rgb(255, 255, 0);">1</td>
              <td data-id="cPROD_NME" style="background-color: rgb(255, 255, 0);">Kortikalni 2.0/14mm (zlati)</td>
              <td data-id="cPROD_DCD" style="background-color: rgb(255, 255, 0);">401.364</td>
              <td data-id="cPRSE_DCD" style="background-color: rgb(255, 255, 0);">8036572</td>
              <td data-id="iPROD_QUA_QUA" style="background-color: rgb(255, 255, 0);">6</td>
              <td data-id="cPRSS_QUA_QUA" style="background-color: rgb(255, 255, 0);">3</td>
              <td data-id="cPRGR_NME" style="background-color: rgb(255, 255, 0);">Stopalo - SYNTHES</td>
            </tr>
            <tr style="background-color: rgb(255, 255, 0);">
              <td data-id="iROW_NUMBER" style="background-color: rgb(255, 255, 0);">2</td>
              <td data-id="cPROD_NME" style="background-color: rgb(255, 255, 0);">Kortikalni 2.0/14mm (zlati)</td>
              <td data-id="cPROD_DCD" style="background-color: rgb(255, 255, 0);">401.364</td>
              <td data-id="cPRSE_DCD" style="background-color: rgb(255, 255, 0);">8327937</td>
              <td data-id="iPROD_QUA_QUA" style="background-color: rgb(255, 255, 0);">6</td>
              <td data-id="cPRSS_QUA_QUA" style="background-color: rgb(255, 255, 0);">1</td>
              <td data-id="cPRGR_NME" style="background-color: rgb(255, 255, 0);">Stopalo - SYNTHES</td>
            </tr>
            <tr>
              <td...

JavaScript

$("#btnSearch").click(function(){
  $("#tbl1 tr").filter(function(){
  	return this.style.backgroundColor == "rgb(255, 255, 0)";
  }).css("color", "red");
});