jQuery addClass example
Change class name on click in jQuery
by mpsingh2003
HTML
<div>
<p><b>Surname search:</b></p>
<input id="searchBox" name="Search" placeholder="Search" type="text" value="" />
<button onclick="search()">Search</button>
<div class="fa fa-circle-o-notch fa-spin" id="spinner" style="display: none;">
</div>
</div>
JavaScript
function search() {
var searchString = $('#searchBox').val();
alert(1);
}