jQuery使用数据ID对元素进行排序 [英] jQuery sort elements using data id
问题描述
(抱歉,如果问题已经存在)
我对jQuery开发非常新颖。
I具有HTML结构如下:
< div class =clist>
< div data-sid = 1>< / div>
< div data-sid = 2>< / div>
< div data-sid = 2>< / div>
< div data-sid = 1>< / div>
< div data-sid = 2>< / div>
< div data-sid = 2>< / div>
< div data-sid = 1>< / div>
< / div>
我想将它们排序为:
< div class =clist>
< div data-sid = 1>< / div>
< div data-sid = 1>< / div>
< div data-sid = 1>< / div>
< div data-sid = 2>< / div>
< div data-sid = 2>< / div>
< div data-sid = 2>< / div>
< div data-sid = 2>< / div>
< / div>
我正在使用函数
函数sortContacts(){
var contacts = $('div.clist'),cont = contacts.children('div');
$ b cont.detach()。sort(function(a,b){
var astts = $(a).data('sid');
var bstts = $ (b).data('sid')
//返回astts - bstts;
返回(astts> bstts)?(astts> bstts)?1:0:-1;
});
contacts.append(cont);
}
但它没有按预期工作。
它第一次运行良好,但是当添加新元素或更改data-sid时,它不起作用。
编辑:
演示
无法使用?
数据 - * $ c $如果要将字符串转换为数字,您可以使用 parseInt
或 +
运算符。 $('。clist div')。sort(function(a,b){
return a.dataset .sid> b.dataset.sid;
})。appendTo('。clist');
是的,您的代码在这里工作, http://jsfiddle.net/f5mC9/
编辑:请注意IE10!和下面不支持 .dataset
属性,如果你想支持所有浏览器,你可以使用jQuery的 .data()
方法代替:
$('。clist div')。sort(function(a,b){
返回$(a).data('sid')> $(b).data('sid');
})。appendTo('。clist');
(sorry if the question already exists)
I am very new to jQuery development.
I have HTML structure as follows:
<div class="clist">
<div data-sid=1></div>
<div data-sid=2></div>
<div data-sid=2></div>
<div data-sid=1></div>
<div data-sid=2></div>
<div data-sid=2></div>
<div data-sid=1></div>
</div>
I would like to sort them as:
<div class="clist">
<div data-sid=1></div>
<div data-sid=1></div>
<div data-sid=1></div>
<div data-sid=2></div>
<div data-sid=2></div>
<div data-sid=2></div>
<div data-sid=2></div>
</div>
I am using the function
function sortContacts() {
var contacts = $('div.clist'), cont = contacts.children('div');
cont.detach().sort(function(a, b) {
var astts = $(a).data('sid');
var bstts = $(b).data('sid')
//return astts - bstts;
return (astts > bstts) ? (astts > bstts) ? 1 : 0 : -1;
});
contacts.append(cont);
}
But it is not working as expected..
It is working well for first time but when add new element or change the data-sid it is not working.
EDIT:
Demo
not working?
解决方案 You can use dataset
property which stores all of the custom data-*
attributes of an element, it returns a string, in case that you want to convert the string to a number you can use parseInt
or +
operator.
$('.clist div').sort(function(a,b) {
return a.dataset.sid > b.dataset.sid;
}).appendTo('.clist');
And yes, your code works here, http://jsfiddle.net/f5mC9/
Edit: Please note that IE10! and below do not support the .dataset
property, if you want to support all browsers you can use jQuery's .data()
method instead:
$('.clist div').sort(function(a,b) {
return $(a).data('sid') > $(b).data('sid');
}).appendTo('.clist');
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