JSFiddle - React, Tailwind, and code Playground

HTML

<input id="pathText" type="text" name="Summary" placeholder="Summary"><br>
<input id="groupText" type="text" name="Groups" placeholder="Groups"><br>
<input id="searchButton" type="button" value="Search" onclick="myFunction()"><br>
<table>
    <tr><td>
        <details class="mainDetails">
            <summary><b>First Summary</b></summary>
            <ul>
                <details>
                    <summary><b>Groups</b></summary>
                    <ul>
                        <li>group A of First</li>
                        <li>group B of First</li>
                    </ul>
                </details>
                <details>
                    <summary><b>First People</b></summary>
                    <ul>
                        <li>John</li>
                        <li>Mark</li>
                    </ul>
                </details>
            </ul>
        </details>
    </td></tr>
    <tr><td>    
        <details class="mainDetails">
            <summary><b>Second Summary</b></summary>
            <ul>
                <details>
                    <summary><b>Groups</b></summary>
                    <ul>
                        <li>group A of Second</li>
                        <li>group B of Second</li>
                        <li>group C of Second</li>
                    </ul>
                </details>
                <details>
                    <summary><b>Second People</b></summary>
                    <ul>
                        <li>Alex</li>
                    </ul>
                </details>
            </ul>
        </details>
    </td></tr>
</table>

JavaScript

function myFunction(){
        var inputValue = document.querySelector('#pathText').value;
        var trElements=document.querySelectorAll("tr");
        for(i=0;i<trElements.length;i++){
            var summaryText = trElements[i].querySelector("b").innerText
            if (inputValue === summaryText) {
               trElements[i].style.display = "none";
            }
        }
    }