Web Front-endHTML TutorialThe usage of !important in CSS and its performance under IE6_html/css_WEB-ITnoseThe usage of !important in CSS and its performance under IE6_html/css_WEB-ITnose
!important usage and performance under IE6:
!important can increase the priority of the specified CSS statement. To use it, add !important after the corresponding CSS statement. For example:
<!DOCTYPE html> <html> <head> <meta charset=" utf-8"> <meta name="author" content="http://www.51texiao.cn/" /><title>蚂蚁部落</title><style type="text/css">.mytest{ color:blue!important; color:red;}</style></head><body> <div class="mytest">蚂蚁部落</div></body></html> Everyone knows that CSS styles have the "proximity principle", that is, styles defined later can override previous styles. If !important is not used in the above code, then The font color appears red.
Currently all mainstream browsers support !important, but it is not fully supported on IE6. Why is it said that it is not fully supported? Because it is supported in some cases and not supported in some cases. For example, in the above code, IE6 browser Not supported, the text will be rendered in red font. Let’s look at the following example:
<!DOCTYPE html> <html> <head> <meta charset=" utf-8"> <meta name="author" content="http://www.51texiao.cn/" /><title>蚂蚁部落</title><style type="text/css">.mytest{ color:blue!important;}.mytest{ color:red;}</style></head><body><div class="mytest">蚂蚁部落</div></body></html> In the above code, you can see that the font color is displayed in blue, which means that if If the two pieces of code are used in the same curly bracket ({}), it will not work under IE6. If they are used separately in two curly brackets ({}), it will work.
The original address is: http://www.51texiao.cn/div_cssjiaocheng/2015/0501/500.html
The Role of HTML: Structuring Web ContentApr 11, 2025 am 12:12 AMThe role of HTML is to define the structure and content of a web page through tags and attributes. 1. HTML organizes content through tags such as , making it easy to read and understand. 2. Use semantic tags such as, etc. to enhance accessibility and SEO. 3. Optimizing HTML code can improve web page loading speed and user experience.
HTML and Code: A Closer Look at the TerminologyApr 10, 2025 am 09:28 AMHTMLisaspecifictypeofcodefocusedonstructuringwebcontent,while"code"broadlyincludeslanguageslikeJavaScriptandPythonforfunctionality.1)HTMLdefineswebpagestructureusingtags.2)"Code"encompassesawiderrangeoflanguagesforlogicandinteract
HTML, CSS, and JavaScript: Essential Tools for Web DevelopersApr 09, 2025 am 12:12 AMHTML, CSS and JavaScript are the three pillars of web development. 1. HTML defines the web page structure and uses tags such as, etc. 2. CSS controls the web page style, using selectors and attributes such as color, font-size, etc. 3. JavaScript realizes dynamic effects and interaction, through event monitoring and DOM operations.
The Roles of HTML, CSS, and JavaScript: Core ResponsibilitiesApr 08, 2025 pm 07:05 PMHTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.
Is HTML easy to learn for beginners?Apr 07, 2025 am 12:11 AMHTML is suitable for beginners because it is simple and easy to learn and can quickly see results. 1) The learning curve of HTML is smooth and easy to get started. 2) Just master the basic tags to start creating web pages. 3) High flexibility and can be used in combination with CSS and JavaScript. 4) Rich learning resources and modern tools support the learning process.
What is an example of a starting tag in HTML?Apr 06, 2025 am 12:04 AMAnexampleofastartingtaginHTMLis,whichbeginsaparagraph.StartingtagsareessentialinHTMLastheyinitiateelements,definetheirtypes,andarecrucialforstructuringwebpagesandconstructingtheDOM.
How to use CSS's Flexbox layout to achieve centering alignment of dotted line segmentation effect in menu?Apr 05, 2025 pm 01:24 PMHow to design the dotted line segmentation effect in the menu? When designing menus, it is usually not difficult to align left and right between the dish name and price, but how about the dotted line or point in the middle...
What HTML elements does the online code editor use to implement code input?Apr 05, 2025 pm 01:21 PMHTML Element Analysis in Web Code Editor Many online code editors allow users to enter HTML, CSS, and JavaScript code. Recently, someone proposed...
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
Atom editor mac version download
The most popular open source editor
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
WebStorm Mac version
Useful JavaScript development tools
