Javascript文件的相对URL [英] Relative urls for Javascript files
问题描述
我在JavaScript文件中有一些代码需要将查询发送回服务器。问题是，如何找到我所在的脚本的url，所以我可以为ajax构建合适的请求url。
I have some code in a javascript file that needs to send queries back to the server. The question is, how do I find the url for the script that I am in, so I can build a proper request url for ajax.
即，同样的脚本是包括在 / ， / help ， / whatever 以及等等，而它总是需要从 /data.json 请求。此外，同一站点在不同的服务器上运行，其中 / - 文件夹可能放置不同。我有办法解决我包含Javascript（ez-publish模板）的相对url，但不包含在javascript文件本身中。
I.e., the same script is included on /, /help, /whatever, and so on, while it will always need to request from /data.json. Additionally, the same site is run on different servers, where the /-folder might be placed differently. I have means to resolve the relative url where I include the Javascript (ez-publish template), but not within the javascript file itself.
是否有小脚本可以工作在所有的浏览器中都是这样做的？
Are there small scripts that will work on all browsers made for this?
推荐答案
为此，我想将< link> code>< head> 中的code>元素，其中包含用于请求的URL。它们可以由服务器端语言生成，因此它们总是指向正确的视图：
For this I like to put <link> elements in the page's <head>, containing the URLs to use for requests. They can be generated by your server-side language so they always point to the right view:
<link id="link-action-1" href="${reverse_url ('action_1')}"/>
变为
becomes
<link id="link-action-1" href="/my/web/root/action-1/"/>
，并且可以通过Javascript检索：
and can be retrieved by Javascript with:
document.getElementById ('link-action-1').href;
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