


js return to previous page and refresh code_HTML/Xhtml_webpage production
1. Javascript returns to the previous page history.go(-1), returns two pages: history.go(-2);
2. history.back().
3. window.history.forward( )Return to the next page
4. window.history.go (return to the page, you can also use the visited URL)
Example:
Previous page
response .Write("
")
response.Write("")
Previous page
page jump: onclick="window.location.href= 'list.aspx'"
P.S.
Tips (JS citing JS):
Several ways to refresh the page using Javascript:
1 history.go(0)
2 location.reload()
3 location=location
4 location.assign(location)
5 document.execCommand('Refresh')
6 window.navigate(location)
7 location.replace(location)
How to automatically refresh the page:1. Automatically refresh the page: Add the following code to the
area
The 20 fingers refresh the page every 20 seconds.2. The page jumps automatically: add the following code to the
area
The 20 fingers jump after every 20 seconds. Go to the
http://www.javaeye.com
page
3. The page automatically refreshes the js version
How does ASP.NET output the refresh parent window script statement
1. this.response.write("
");
2. this.response.write("
");
3. Response.Write("") JS script statement to refresh the frame
//How to refresh the page containing the frame using
//The child window refreshes the parent window
( or Refresh
)//How to refresh the page of another frame using If you want to refresh when the window is closed or when the window is opened, call the following statement in <script>opener.location.reload();</script>: Can. <script>opener.window.location.href = opener.window.location.href;</script> Refresh when the window is open Refresh when the window is closed

The roles of HTML, CSS and JavaScript in web development are: 1. HTML is used to build web page structure; 2. CSS is used to beautify the appearance of web pages; 3. JavaScript is used to achieve dynamic interaction. Through tags, styles and scripts, these three together build the core functions of modern web pages.

Setting the lang attributes of a tag is a key step in optimizing web accessibility and SEO. 1) Set the lang attribute in the tag, such as. 2) In multilingual content, set lang attributes for different language parts, such as. 3) Use language codes that comply with ISO639-1 standards, such as "en", "fr", "zh", etc. Correctly setting the lang attribute can improve the accessibility of web pages and search engine rankings.

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HTML is used to build websites with clear structure. 1) Use tags such as, and define the website structure. 2) Examples show the structure of blogs and e-commerce websites. 3) Avoid common mistakes such as incorrect label nesting. 4) Optimize performance by reducing HTTP requests and using semantic tags.

ToinsertanimageintoanHTMLpage,usethetagwithsrcandaltattributes.1)UsealttextforaccessibilityandSEO.2)Implementsrcsetforresponsiveimages.3)Applylazyloadingwithloading="lazy"tooptimizeperformance.4)OptimizeimagesusingtoolslikeImageOptimtoreduc

The core purpose of HTML is to enable the browser to understand and display web content. 1. HTML defines the web page structure and content through tags, such as, to, etc. 2. HTML5 enhances multimedia support and introduces and tags. 3.HTML provides form elements to support user interaction. 4. Optimizing HTML code can improve web page performance, such as reducing HTTP requests and compressing HTML.

HTMLtagsareessentialforwebdevelopmentastheystructureandenhancewebpages.1)Theydefinelayout,semantics,andinteractivity.2)SemantictagsimproveaccessibilityandSEO.3)Properuseoftagscanoptimizeperformanceandensurecross-browsercompatibility.


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