Hypertext Markup Language, also known as HTML, is a standard markup language used to create web pages. It is composed of a series of HTML tags. HTML tags mostly appear in pairs, such as
, which are the start tag and the end tag respectively. But there are also some tags that have no content and therefore no closing tag, such as .
Here are listed 15 frequently asked questions about HTML for your study and reference.
1.What does HTML stand for?
Answer: HyperText Markup Language, hypertext markup language.
2. What is HTML used for?
Answer: HTML is the standard markup language used to create web pages.
3. What is DOCTYPE?
A: It will tell the browser the type of document and which version of the HTML specification it is written in.
4. What are tags in HTML?
A: The tag Tag tells the browser how to parse the content.
5. What is the way to write tags in HTML?
Answer: General format: content , usually appearing in pairs, such as , they are called start tag and end tag respectively.
6.HTMLWhat is the structure of tags in a document?
Answer: HTMLThe document follows the following format:
My title.
Main body of text.
7.How to
HT MLmeans hyperlink?
A: You can click on a text, image or other element with a hyperlink to jump to another page. Its general format:”
url”
> link text, href attributes represent the target address to jump to. Such as
"http://www.php100.com"> PHP100中文网 8 .What are attributes in HTML? Answer: Attributes provide specific information about an element. It is usually written in the opening tag, usually in the format of "name=vlaue".
9.How to make comments in HTML?
A: The label of the comment is Comment content
-->, in the middle is the content of the comment to be inserted.
10. What does CSS stand for?
Answer: Cascading Style Sheets, hierarchical style sheets.
11.
How many ways to addCSS styles to
HTML? Answer: There are three ways to add styles to HTML elements. The first is to directly assign a value to the style attribute of the element, and the second is to add a style to the head of the HTML document The header introduces the CSS file, that is, the CSS style adding rules are made into a separate file. 12. Answer: Use the src attribute. Such as
tag, where
represents a row in the table,
represents the content in the table. Such as:
d>
; /td>
; R2,C1
R2,C2
; How to represent a list?
Answer: represents an unordered list,
represents an ordered list, represents a list item.
15.What are the
and
elements?
Answer:
is a block-level element, which can be used as a container for other HTML elements to distinguish different regional content; and is an inline element , generally only used as a container for a piece of text. Get it for free
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http://yun.itxdl.cn/online/cto/index.php?u=5 The above introduces 15 introductory questions about HTML, including relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.
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What happens if session_start() is called multiple times?Apr 25, 2025 am 12:06 AMMultiple calls to session_start() will result in warning messages and possible data overwrites. 1) PHP will issue a warning, prompting that the session has been started. 2) It may cause unexpected overwriting of session data. 3) Use session_status() to check the session status to avoid repeated calls.
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