如何防止窗口在jQuery slideToggle()上向上滚动?

时间:2009-09-08 03:35:42

标签: jquery scroll

我正在使用jQuery在页面加载时动态添加两个div。这一切都很好,除了,当我点击第一个动态加载的div中的“高级选项”链接时 - 它执行它的正确行为(滑动第二个动态div),但它重置滚动的窗口回到顶部。我试图专注于我滑开的div的第一个输入元素,但无济于事。

如何摆脱这种不受欢迎的滚动行为?

我已经提供了帮助代码(尽可能长篇大论)

<style type="text/css">
.itemcontainer {
    background-color:#FFFFCC;
    border:1px solid #999999;
    height:auto;
    margin:1em 0;
    overflow:hidden;
    position:relative;
    width:600px;
    }
.itemcontainer .optionpopoutcontainer {
    background-color:#44CC55;
    bottom:0;
    color:#333333;
    height:auto;
    left:0;
    padding:6px;
    position:absolute;
    width:100%;
}
.itemcontainer .advancedpopoutcontainer {}
</style>

这里是javascript和HTML

    <script type="text/javascript">
    $(document).ready(function(){
        var counter = 0;
        //Add the necessary divs to the classes
        $(".itemcontainer").each(function(){
            var id = $(this).find("input[name='ItemID']").attr('value');
            $(this).append("<div class='optionpopoutcontainer' id='quickaddcontainer-" + id + "'></div><div class='advancedpopoutcontainer' id='advancedaddcontainer-" + id + "'></div>");
        });


            $(".optionpopoutcontainer").css("display", "none"); //used for the sliding up
        $(".optionpopoutcontainer").each(function(){
            createQuickAddForm($(this), GetID($(this)));
        });
        $(".advancedpopoutcontainer").css("display", "none"); //used for the sliding up
        $(".advancedpopoutcontainer").each(function(){
            AddAdvancedOptionsForm($(this), GetID($(this)));
        });


        $(".cancelButton").click(function(){
            var parent = GetParentDiv($(this));
            parent.slideToggle();
        });


        $(".opencontainer").click(function(){
            GetParentDiv($(this)).find("div.optionpopoutcontainer").slideToggle(250);
        });

        $(".quickaddadvoptions").click(function(){
            var container = GetParentDiv($(this));
            $(container).slideToggle(function(){
                var innerContainer = GetParentDiv(container).find("div.advancedpopoutcontainer").slideToggle(250);

            });
        });

        function GetParentDiv(item){
            return item.parents('div:eq(0)');
        }

        function GetID(item){
            return item.attr('id').split('-')[1];
        }


        $("input[name='Date']").each(function(){
            $(this).datepicker({dateFormat: 'd MM, y'});
        });
    });



    function createQuickAddForm(item, itemID){
            var str = "<form method='post' action='#' id='addform-" + itemID + "'>";
            str += "Size: <input id='Size' type='text' value='1' name='Size'/> ";
            str += "<input id='ItemID' type='hidden' value='29' name='ItemID'/>";
            str += "<input type='submit' value='Log Item'/>";
            str += "<a href='#'' class='quickaddadvoptions' id='advancedoptions-" + itemID + "'>Advanced Options</a>";
            str += "</form>";
            str += "<button  class='cancelButton'>Cancel</button>";

            item.html(str);
        };


    function AddAdvancedOptionsForm(containerDiv, itemID){
            var str = "<form method='post' action='#' id='addformadv-" + itemID + "'>";
            str += "Size: <input id='Size-" + itemID + "' type='text' value='1' name='Size'/><br/>";
            str += "Date: <input id='Date-" + itemID + "' type='text' value='" + GetTodaysDate() + "' name='Date'/><br/>";
            str += "Note: <input type='textarea' id='Note-" + itemID + "' name='Note' cols='20' name='Note'/><br/>";
            str += "<input id='ItemID-" + itemID + "' type='hidden' value='29' name='ItemID'/>";
            str += "<input type='submit' value='Log Item'/>";
            str += "</form>";
            str += "<button  class='cancelButton' >Cancel</button>";

            containerDiv.html(str);
        };
<div class="itemcontainer" name="item1">
<!-- <table> code -->
<button style="float:right" class="opencontainer">slide it</button>
<!-- other <table>  code -->
            <input type="hidden" value="2" name="ItemID"/>
</div>

1 个答案:

答案 0 :(得分:11)

尝试阻止超链接的默认操作发生:

 $(".quickaddadvoptions").click(function(e){
                e.preventDefault();
                var container = GetParentDiv($(this));
                $(container).slideToggle(function(){
                        var innerContainer = GetParentDiv(container).find("div.advancedpopoutcontainer").slideToggle(250);

                });
        });

这会阻止浏览器在动态加载的div的<a href='#''中看到锚点'#'时跳转。换句话说,锚点的行为更像是按钮而不是超链接。

请参阅http://docs.jquery.com/Events/jQuery.Event#event.preventDefault.28.29

另请注意,该事件处理程序末尾的return false;也应该起作用。