Steps to reproduce the issue

create component input fields that uses datetimepicker .

`
protected function getInput() {

    $id = str_replace('jform[','',str_replace(']','',$this->name));
    $html = '<div id="datetimepicker_'.$id.'" class="input-group date">'.
             '<input name="'.$this->name.'" id="'.$id.'" value="'.$this->value.'"  class="form-control" type="text" />'.
             '<span class="input-group-addon">'.
               '<span class="glyphicon glyphicon-time"></span>'.
             '</span>'.
            '</div>'.
            '<script type="text/javascript">'.
              'jQuery( function(){'.
                'jQuery("#datetimepicker_'.$id.'").datetimepicker({'.
                  'format: "LT"'.
                '});'.
              '});'.
            '</script>';
    return $html;

`

Expected result

Should be able to pick time. not date. same with https://eonasdan.github.io/bootstrap-datetimepicker/#custom-formats

Actual result

Uncaught TypeError: jQuery(...).datetimepicker is not a function at HTMLDocument.eval (eval at <anonymous> (jquery.min.js:2), <anonymous>:1:59) at i (jquery.min.js:2) at Object.add [as done] (jquery.min.js:2) at n.fn.init.n.fn.ready (jquery.min.js:2) at new n.fn.init (jquery.min.js:2) at n (jquery.min.js:2) at eval (eval at <anonymous> (jquery.min.js:2), <anonymous>:1:1) at eval (<anonymous>) at jquery.min.js:2 at Function.globalEval (jquery.min.js:2)

System information (as much as possible)

Joomla! 3.8.8 installed
Php 5.6.x

Additional comments