我正在测试键盘导航,但随着我在下拉列表中移动它索引更改本身,我的意思是如果它的值是A,因为我们通过键盘集中它,它的值将变成B.停止事件传播焦点JQuery
我用这个来阻止这个,但仍然没有运气。
e.preventDefault();
e.cancelBubble = true;
return false;
这里是整个导航脚本。
<script type="text/javascript">
var _parent;
var _selectedIndex = 0;
$(document).ready(function() {
$("input.flat,select.flat").click(function(){
$("input.flat,select.flat").each(function(){
$(this).removeClass('active_ele');
});
$(this).addClass('active_ele');
});
$("select.flat").bind('focus',function (e) {
//e.preventDefault();
//e.focus();
//return false;
//e.cancelBubble = true;
//return false;
});
$("input.flat,select.flat").bind('keydown',function (e) {
switch(e.keyCode)
{
case 37:
/////Right
_parent = $(this).parent().prev();
if(_parent.hasClass('combo')) ///this is select
{
$(this).removeClass('active_ele');
nNode = _parent.children("select.flat");
nNode.addClass('active_ele');
_selectedIndex = nNode[0].selectedIndex;
nNode[0].focus();
nNode[0].selectedIndex = _selectedIndex;
}
else if(_parent.hasClass('inputBox')) ///this is select
{
$(this).removeClass('active_ele');
nNode = _parent.children("input.flat");
nNode.addClass('active_ele');
nNode.focus();
}
break;
case 39:
//////////Left
_parent = $(this).parent().next();
if(_parent.hasClass('combo')) ///this is select
{
$(this).removeClass('active_ele');
nNode = _parent.children("select.flat");
nNode.addClass('active_ele');
_selectedIndex = nNode[0].selectedIndex;
nNode[0].focus();
nNode[0].selectedIndex = _selectedIndex;
}
else if(_parent.hasClass('inputBox')) ///this is select
{
$(this).removeClass('active_ele');
nNode = _parent.children("input.flat");
nNode.addClass('active_ele');
nNode.focus();
}
break;
case 40:
/////Down
_nNode = $(this).parent();
_index = _nNode.attr('data');
_index = parseInt(_index) + 1
///td
_nNode = _nNode.parent()
.next()
.children(0)[_index];
_nNode = $(_nNode);
if(_nNode[0])
{
if(_nNode.hasClass('combo'))
{
_nNode = _nNode.children("select.flat");
_nNode.addClass('active_ele');
$(this).removeClass('active_ele');
_selectedIndex = _nNode[0].selectedIndex;
_nNode[0].focus();
_nNode[0].selectedIndex = _selectedIndex;
}
else if(_nNode.hasClass('inputBox'))
{
_nNode = _nNode.children("input.flat");
_nNode.addClass('active_ele');
$(this).removeClass('active_ele');
_nNode.focus();
}
}
break;
case 38:
/////Up
_nNode = $(this).parent();
_index = _nNode.attr('data');
_index = parseInt(_index) + 1
///td
_nNode = _nNode.parent()
.prev()
.children(0)[_index];
_nNode = $(_nNode);
if(_nNode[0])
{
if(_nNode.hasClass('combo'))
{
_nNode = _nNode.children("select.flat");
_nNode.addClass('active_ele');
$(this).removeClass('active_ele');
_selectedIndex = _nNode[0].selectedIndex;
_nNode[0].focus();
_nNode[0].selectedIndex = _selectedIndex;
}
else if(_nNode.hasClass('inputBox'))
{
_nNode = _nNode.children("input.flat");
_nNode.addClass('active_ele');
$(this).removeClass('active_ele');
_nNode.focus();
}
}
break;
case 46:
$(this).val("");
}
e.preventDefault();
e.cancelBubble = true;
return false;
});
});
</script>
链接到文件,PLZ提出了一个解决方案,如何阻止这个索引改变。 http://69.175.126.242/~develope/younussal/test/test.htm
感谢
我已经将它放在keydown绑定事件的底部,但仍然在我导航时索引更改。并在控制台e.stopPropogation()上引发错误;是不是一个功能,谢谢 – MZH
指数仍在改变,通过保存上述链接并附加e.stopPropogation()来检查它。在事件的底部感谢你 – MZH
它不工作它会引发错误e.stopPropogation();是不是一个函数 – MZH