JSFiddle - React, Tailwind, and code Playground

HTML

<a class="btn btn-primary" data-toggle="collapse" href="#collapseExample">
    See more...
</a>
<div class="form-group">
										<label class="popupaddnew__subjectsmodelswitch">
										  <input type="checkbox">
										  <span class="popupaddnew__subjectsmodelslider round"></span>
										</label>
									</div>

JavaScript

$('input:checked + .popupaddnew__subjectsmodelslider').click(function(){
    console.log($(this).text());
    if($(this).text().trim() == 'See more...' ){
        $(this).text('See Less...');
    }else{
         $(this).text('See more...');
    }
});