如何在网络浏览器中获取数字的值并将该数字输入到标签的文本中? [英] how can i get the value of a number in my web browser and input that number into a label's text?

问题描述

好的，我的网页上有一个数字:id ="l1" class ="value"> 412/1200
我想要的数字是412.但是，这个数字可以更改.我想获取此数字并将其输入到标签的文本中.那有意义吗?我只是不知道如何正确地表达这个问题..谢谢.

ok, there is a number on my web page: id="l1" class="value ">412/1200
the number i want is 412. however, this number can change. i want to get this number and input it into a label''s text. does that make sense? i just dont know how to word this question properly.. thanks.

推荐答案

我相信您想要的是检索"/"之前的数字.如果是这样，请尝试在JavaScript中使用 regex .一旦获得该值，就可以使用javascript轻松将其设置为标签.
希望有帮助.

I believe what you want is to retrieve the number before "/". If it so, try using regex in javascript. Once you get the value you can easily set it to the label using javascript.
Hope that helps.

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