JSFiddle - React, Tailwind, and code Playground

HTML

<div> <input type="text" id="search-criteria"/>
    <input type="button" id="search" value="search"> </div>
<fieldset>
    <legend>Invite Facebook Friend</legend>

    <div class="fbbox">
    <img src="images/User.png" class="fbimg" />
    <div class="fix"><label for="check-2" class="left"> James </label></div>
    <input type="checkbox" name="fb" id="check-1" value="action" class="leftcx"/>
    </div>

    <div class="fbbox">
    <img src="images/User.png" class="fbimg" />
    <div class="fix"><label for="check-2" class="left">Alan </label></div>
    <input type="checkbox" name="fb" id="check-2" value="comedy" class="leftcx"/>
    </div>

    <div class="fbbox">
    <img src="images/User.png" class="fbimg" />
    <div class="fix"><label for="check-3" class="left"> Mathew </label></div>
    <input type="checkbox" name="fb" id="check-3" value="epic" class="leftcx"/>
    </div>

JavaScript

$("#search-criteria").on("keyup", function() {
var g = $(this).val();
$(".fbbox .fix label").each( function() {
var s = $(this).text();
if (s.indexOf(g)!=-1) {
$(this).parent().parent().show();
}
else {
$(this).parent().parent().hide();
}
});
});