## The element refers to all code from the start tag to the end tag .
Start (open) tag
Element content
End (close) tag
this is my web page
## An HTML element without content is called is an empty element. Empty elements are closed in the opening tag.
is an empty element without a closing tag ( tag definition wraps).
In XHTML,
XML
, and future versions of HTML, all elements must be closed. Adding a slash in the opening tag, such as , is the correct way to close an empty element, and is accepted by HTML, XHTML, and XML.
Even though is valid in all browsers, using is actually a longer-term guarantee.
HTML element syntax
## The content of element is the content between the start tag and the end tag
Empty elements are closed in the opening tag
Most HTML elements can have
attributes
Nested HTML elements
Most HTML elements can be nested
<p>Hello world, <a>找度娘</a></p>
Copy after login
HTML attributes 1. Tags can have attributes to provide more information for elements
2. Attributes appear in the form of key-value pairs, such as: href = "www.cnblogs. www/winsoncheung" 3. Commonly used tag attributes:
The above is the detailed content of HTML5 study notes (2) - detailed introduction to elements, attributes, and formatting. For more information, please follow other related articles on the PHP Chinese website!
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
DOS command is a command line tool used in Windows operating system, which can be used to perform various system management tasks and operations. One of the common tasks is to format the hard drive, including the C drive. Formatting the C drive is a relatively dangerous operation because it will erase all data on the C drive and reinitialize the file system. Before performing this operation, make sure you have backed up important files and have a clear understanding of the impact that formatting will have on your computer. The following is formatted in the DOS command line
Nowadays, we will inevitably encounter some problems such as being unable to turn on the phone or lagging, such as system crash, but during use, mobile phones have become an indispensable part of our lives. We are often at a loss, and sometimes, there are no solutions to these problems. To help you solve cell phone problems, this article will introduce you to some methods of cell phone format recovery and restore your phone to normal operation. Back up data - protect important information, such as photos and contacts, from being lost during the formatting process. Before formatting your phone, the first thing to consider is to back up important data and files on your phone. To ensure data security, or choose to transfer files to a cloud storage service, you can back it up by connecting to a computer. Use the system's built-in recovery function - simple
Will formatting a laptop make it faster? If you want to format your Windows laptop but want to know if it will make it faster, this article will help you know the right answer to this question. Will formatting a laptop make it faster? There are many reasons why users format their Windows laptops. But the most common reason is slow performance or speed of your laptop. Formatting a laptop will completely delete all data stored on the C drive or the hard drive partition where Windows operating system is installed. Therefore, every user will think twice before taking this step, especially when it comes to the performance of the laptop. This article will help you understand whether formatting your laptop will speed it up. Formatting your laptop helps
HTML formatting method: 1. Use online HTML formatting tools; 2. Use the HTML formatting shortcut keys that come with the code editor, such as Shift + Alt + F in Visual Studio Code; 3. Use plug-ins, such as Sublime Text HTML/CSS/JS Prettify plug-in; 4. Use command line tools, such as HTML Tidy; 5. Manual formatting according to coding standards and habits.
Bottom attribute syntax and code examples in CSS In CSS, the bottom attribute is used to specify the distance between an element and the bottom of the container. It controls the position of an element relative to the bottom of its parent element. The syntax of the bottom attribute is as follows: element{bottom:value;} where element represents the element to which the style is to be applied, and value represents the bottom value to be set. value can be a specific length value, such as pixels
Thread of Despair is a rare card in Blizzard Entertainment's masterpiece "Hearthstone" and has a chance to be obtained in the "Wizbane's Workshop" card pack. Can consume 100/400 arcane dust points to synthesize the normal/gold version. Introduction to the attributes of Hearthstone's Thread of Despair: It can be obtained in Wizbane's workshop card pack with a chance, or it can also be synthesized through arcane dust. Rarity: Rare Type: Spell Class: Death Knight Mana: 1 Effect: Gives all minions a Deathrattle: Deals 1 damage to all minions
How to tell if a jQuery element has a specific attribute? When using jQuery to operate DOM elements, you often encounter situations where you need to determine whether an element has a specific attribute. In this case, we can easily implement this function with the help of the methods provided by jQuery. The following will introduce two commonly used methods to determine whether a jQuery element has specific attributes, and attach specific code examples. Method 1: Use the attr() method and typeof operator // to determine whether the element has a specific attribute
Nowadays, the security of Windows 10 system computers is threatened by many viruses and programs. Let’s take a typical example. When he is surfing the Internet, he will unintentionally open a link or website, and then some very annoying advertisements will pop up on our computer inexplicably. Or if the computer is stuck in the interface and cannot move, it is likely that some software has been maliciously bundled and installed. Another situation is that there is a virus in the computer. If this kind of problem occurs, we can reinstall the system on the win10 computer, which can effectively remove the virus programs in the system disk. Now the editor will show you how to format and reinstall the win10 system. Let's read on. . 1. How to format and reinstall the win10 system? First, we click "Start" -
Web Front-end
