JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr class="ms-WPHeader">
        <td colspan="6">
            <div class="ms-WPTitle">
            
<span>
Text -Social Notification Properties1
    </span>
            </div>
        </td>
    </tr>
    <tr class="ms-WPHeader">
        <td colspan="3">
            <div class="ms-WPTitle">
<span>
Text -Social Notification Properties2
    </span>
            </div>
        </td>
    </tr>
    <tr class="ms-WPHeader">
        <td colspan="3">
            <div class="ms-WPTitle">
<span>
Text -Social Notification Properties3
    </span>
            </div>
        </td>
    </tr>
</table>

CSS

table tr.ms-WPTitle:nth-child(0) {
    display: none;
}
.hide {
  
  display:none;
}

JavaScript

$("span:contains('Text -Social Notification Properties3')").addClass('hide');