当我们在javascript中切换时如何显示文本？

Question

I would like to show a text when user clicks on an icon. I have the following code block, but it is wrong. Can someone correct me:

<a class="icon-question-sign help_popup"
   onclick="javascript:$('#callback_help').toggle('fast', function() {
     $('#callback_help').html('xx');
   })">
</a>

Answer 1

Fiddle Demo

You have to inlude jQuery library if you have not included :

<script src="http://code.jquery.com/jquery-1.10.2.js"></script>

Second you can try like this :

HTML :

<a class="icon-question-sign help_popup"></a>
<div id="callback_help"></div>

Jquery :

<script type="text/javascript">

$(document).ready(function(){

       $('.help_popup').click(function(){

            $('#callback_help').toggle('fast', function() {
                  $('#callback_help').html('xx');
            });
       });

});

</script>