合并两个jQuery对象
问题描述:
我喜欢使用一个或多个jQuery对象的返回值将它们添加到。
I like to have a return value with one or more jQuery objects to add them to a .
var f = function() {
var a = $('<div class="a" />');
// do someting awesome
return a;
};
两个s的正确示例:
var f = function() {
var ret = $('<div class="a" /><div class="b" />');
// do something spectecular
return ret;
};
问题是我需要在函数内部分隔这两个对象,这不是正确的代码:
The problem is that I need these two objects separated inside the function and this is not correct code:
var f = function() {
var a = $('<div class="a" />'),
b = $('<div class="b" />'),
ret = a+b;
// do something fabulous
return ret;
}
答
你可以使用 jQuery .add()
方法:
You can use the jQuery .add()
method:
return a.add(b);
来自文档:
给定一个表示一组DOM元素的jQuery对象,.add()方法从这些元素的并集和传递给方法的元素构造一个新的jQuery对象。
Given a jQuery object that represents a set of DOM elements, the .add() method constructs a new jQuery object from the union of those elements and the ones passed into the method.