HTML uncommon tags optgroup, sub, sup and bdo example code
|
Optgroup is used in the select tag to make the drop-down list content more organized. Copy code The code is as follows:<select> <optgroup label="aaa"> <option>Distinguish right from wrong</option> <option>Distinguish right from wrong</option> <option>Distinguish right from wrong</option> </optgroup> <optgroup style="color:#C30" label="bbb"> <option>Distinguish right from wrong</option> <option>Distinguish right from wrong</option> <option>Distinguish<br/>right from wrong</option> </optgroup> </select> sub superscript The sup subscript can be used with <em> for annotations Used together with the dbo dir flag, you can change the output direction of text, right -> left Tip: You can modify some of the code before running |
<<: How to use JavaScript to implement sorting algorithms
>>: Comparative Analysis of MySQL Binlog Log Processing Tools
Recommend
Detailed example of Linux all-round system monitoring tool dstat
All-round system monitoring tool dstat dstat is a...
MySQL dual-machine hot standby implementation solution [testable]
Table of contents 1. Concept 2. Environmental Des...
Javascript scope and closure details
Table of contents 1. Scope 2. Scope Chain 3. Lexi...
Detailed explanation of Docker working mode and principle
As shown in the following figure: When we use vir...
OpenLayers realizes the method of aggregate display of point feature layers
Table of contents 1. Introduction 2. Aggregation ...
Install and configure ssh in CentOS7
1. Install openssh-server yum install -y openssl ...
Example of using CSS3 to achieve shiny font effect when unlocking an Apple phone
0. Introduction August 18, 2016 Today, I noticed ...
How to implement hot deployment and hot start in Eclipse/tomcat
1. Hot deployment: It means redeploying the entir...
HTTPS Principles Explained
As the cost of building HTTPS websites decreases,...
Four completely different experiences in Apple Watch interaction design revealed
Today is still a case of Watch app design. I love...
How to turn a jar package into a docker container
How to turn a jar package into a docker container...
Example code for using Nginx to implement 301 redirect to https root domain name
Based on SEO and security considerations, a 301 r...
JS 4 super practical tips to improve development efficiency
Table of contents 1. Short circuit judgment 2. Op...
MySQL online DDL tool gh-ost principle analysis
Table of contents 1. Introduction 1.1 Principle 1...
Implementation of Nginx configuration of multi-port and multi-domain name access
To deploy multiple sites on a server, you need to...