jQuery bug?

by rwaldron

HTML

<script type='text/javascript' src='//code.jquery.com/jquery-1.9.1.js'></script>
<script>
    var jq1 = jQuery.noConflict();
</script>
<script type='text/javascript' src='//code.jquery.com/jquery-git2.js'></script>
<script>
    var jq2 = jQuery.noConflict();
</script>

<ul>
    <li>
        <button id="bam">click</button>
    </li>
</ul>

JavaScript

jq1('body').on('click', 'button', function (e) {
    console.log(
        jq1(this).parent().is('li:first')
    );
});

jq2('body').on('click', 'button', function (e) {
    console.log(
        jq2(this).parent().is('li:first')
    );
});