Jquery Click Event Not Firing On First Click, but does on second click, why?

问题

I've got a jquery code, which

$("a.reply").click(function() {
//code
});

When I click the link with .reply class the first time, nothing happens. The second time I click, the code inside the click function works.

The link is being inserted on the page using php from a mysql database. so it's not being inserted dynamically.

Why is this happening? Any solution?

The BadASS Code:

$(function(){
//TextArea Max Width
var textmaxwidth = $('#wrapper').css('width');
//Initialize Focus ids To Different Initially
var oldcommentid = -1;
var newcommentid = -2;
//End Of initialization

$("a.reply").click(function() {
        newcommentid = $(this).attr('id');
        if (newcommentid == oldcommentid)
        {
        oldcommentid=newcommentid;
        $("#comment_body").focus();
        }
        else
        {
        $('#comment_form').fadeOut(0, function(){$(this).remove()});
        var commetformcode = $('<form id="comment_form" action="post_comment.php" method="post"><textarea name="comment_body" id="comment_body" class="added_comment_body" rows="2"></textarea> <input type="hidden" name="parent_id" id="parent_id" value="0"/> <div id="submit_button"> <input type="submit" value="Share"/><input type="button" id="cancelbutton" value="Cancel"/></div></form>');
        commetformcode.hide().insertAfter($(this)).fadeIn(300);
        //
        var id = $(this).attr("id");
        $("#parent_id").attr("value", id);
        oldcommentid=newcommentid;
        //dynamicformcreation function
        dynarun();
        //
        }



        return false;
    });

        dynarun();

        function dynarun()
        {
        //Form Re-Run Functions
        $('#comment_body').elastic();
        texthover();
        $("#comment_form input, select, button").uniform();
        textareasizer();
        $("#comment_body").focus();
        $("abbr.timestamp").timeago();
        return false;
        }

        //TextArea Resizer Function
        function textareasizer(){$("#comment_body").css('max-width', textmaxwidth);return false;}

        //Other Miscellaneous Functions
        $('.comment-holder').hover(
        function(event) {
            $(this).addClass('highlight');
        },
        function(event) {
            $('.comment-holder').removeClass('highlight');
        }
        );

        function texthover()
        {
        $('.added_comment_body').hover(
            function(event) {
                $(this).parent().parent().addClass('highlight');
            },
            function(event) {
                $('.comment-holder').removeClass('highlight');
            }
        );
        return false;
        }
});

回答1:

This is a longshot, but are you running some sort of tracking script? Like webtrends or coremetrics (or even some of your own script, that's globally looking for all clicks)? I ran into a similar problem a while ago, where the initial-click was being captured by coremetrics. Just a thought.

回答2:

Does it still happen if you comment out all your code and simply have an alert("hi") inside the click function?

Update

I think Sarfaz has the right idea, but I would use the document ready function like so

$(document).ready(function(){
  $("a.reply").click(function() {
    //code
  });
});

回答3:

I just ran into same problem and I resolved my problem by removing:

<script src="bootstrap.js"></script>

you can use bootstrap.min.js

来源：https://stackoverflow.com/questions/5050329/jquery-click-event-not-firing-on-first-click-but-does-on-second-click-why