前端 - CSS 三列等高布局的疑问 margin负补偿

主要疑惑是main、left、right三个元素放置顺序的问题 先贴代码： {代码...} {代码...} 按照left、right、main的顺序 按照left、main、right的顺序 按照main、left、ri...

From [HTMLdiscussion group] 2017-04-17 13:11:34 0  2  866

html5 - 刚接触移动端开发，请教下移动端使用vh，vw单位做布局，点击输入框后键盘弹出会挤压内容怎么处理？

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From [HTMLdiscussion group] 2017-04-17 14:54:03 0  2  865

web 下如何统计用户是否拔打电话？

web 下如何统计用户是否拔打电话？，求实现思路

From [HTMLdiscussion group] 2016-11-12 11:48:01 0  3  865

How to get rid of this user agent style

Please look at the picture below. What if you remove the "User Agent Style" in the red line box?

From [HTMLdiscussion group] 2022-07-22 00:12:52 0  1  864

html5 - Which is the current mainstream front-end automated construction tool?

The front-end stuff updates too quickly. Afraid of not being able to keep up.

From [HTMLdiscussion group] 2017-06-19 09:07:45 0  8  864

html5 - 微信内置浏览器中无法控制video标签的行为

要在微信中访问页面，页面上的video元素不需要浏览器自带的播放控件，同时需要自己写一个按钮控制视频的静音切换 在chrome手机模拟器，手机版chrome中都没有任何问题，但是页面在微信中打开，出现了播放暂停按钮...

From [HTMLdiscussion group] 2017-04-17 11:46:42 0  4  864

html5 - 只用CSS如何实现input框的宽度随框里输入的内容长短自动适应？

input框的宽度随框里输入的内容长短自动适应。如果用JS来获取字符长度，再控制input框的width值，这样很容易就能实现。但是只靠CSS来实现，这样要怎么搞呢？

From [HTMLdiscussion group] 2017-04-17 14:38:36 0  4  863

What does it mean in HTML 5 when an attribute is a boolean?

What does it mean when a property like a hidden property is a boolean property? Can someone explain it in laym...

From [HTMLdiscussion group] 2023-10-20 18:43:19 0  1  862

javascript - svg novice, want to insert pictures into svg

The code is as above. I want to insert pictures into svg and animate the pictures, but it has no effect. Pleas...

From [HTMLdiscussion group] 2017-06-24 09:44:02 0  1  862

html5 - On the UC browser, the page I created has an input box. When I click on the input box, the title bar of the header falls down and shifts!

On UC Browser, the page I created had an input box. When I clicked on the input box, the title bar at the head...

From [HTMLdiscussion group] 2017-06-05 11:13:47 0  1  862

javascript - How to use WeChat authorization to log in in a project with separate front-end and back-end?

My idea is to click the login button to enter a login transfer page on the front end. The back-end logic of th...

From [HTMLdiscussion group] 2017-05-16 13:37:33 0  1  862

html5 - What is the relationship between form and input tags in Html?

In Html, what is the relationship between form and input tags? Is there any affiliation between the two? I hav...

From [HTMLdiscussion group] 2017-05-16 13:36:23 0  3  862

html - 切换页面不刷新的保存状态方法；

不停点加载更多，然后再进入某个条目的页面，返回后还是能返回相同的位置。并且在顶端TAB之间切换，各页面内容也都保持。利用H5切换地址能做到页面不刷新， {代码...} 但是页面切换html代码给替换了，如何保存之...

From [HTMLdiscussion group] 2017-04-17 15:03:41 0  1  862

html5 - chrome报错：An invalid form control with name='' is not focusable？

由于业务需求，做了一个动态切换select的功能。option是必选的，所以加了required，但是每次提交的时候会出现 {代码...} 这种错误。以下是代码。当点击 子网时，显示select1 当点击 专题时，显示s...

From [HTMLdiscussion group] 2017-04-17 13:50:10 0  1  862

javascript - Reading the page source code, all line breaks in the page are read as <br/>. How can I make it correctly parsed?

As the question goes, how can I make it correctly parsed into newline characters?

From [HTMLdiscussion group] 2017-06-26 10:49:44 0  1  861