使用jQuery向数组添加链接 [英] Adding links to an array with jquery

问题描述

我试图遍历页面上的所有链接，并使用jquery将它们添加到数组中，但是我似乎不太正确.

I am trying to loop through all of the links on a page and add them to an array using jquery but I can't seem to get it quite right.

我所拥有的是:

$(document).ready(function() {

var links = new Array();
var link;

for (link in $("a"))
{
links.push(link);
}

alert(links);

});

我得到的是一个数字数组(我认为页面上的每个链接一个)，以及属性，事件等，例如选择器"，上下文"，..."onmouseover"等等.

What I get is an array of numbers (I think one for each link on the page), and properties, events, etc. like 'selector', 'context', ... 'onmouseover' and so on.

我想念什么?

推荐答案

执行$('a')时，您已经有一个jQuery对象，它是一个类似于数组的对象.

When you do $('a') you already have a jQuery object, which is an array-like object.

如果需要实际的Array元素，则可以使用$.makeArray()将其转换为Array.

If you want an actual Array of elements, you can convert it to an Array with $.makeArray().

var array = $.makeArray( $('a') );

• http://api.jquery.com/jquery.makearray/
• http://api.jquery.com/jquery.makearray/

编辑:如果您对为什么在for/in中得到那些意外结果感到好奇，请在您喜欢的浏览器中启动开发人员工具，并将jQuery对象记录到控制台中.您将看到所获得的所有那些(原型)属性.

If you're curious about why you were getting those unexpected results in the for/in, fire up the developer tools in your favorite browser, and log a jQuery object to the console. You'll see all those (prototyped) properties you were getting.

console.log( $('a') );

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