Web Front-endHTML TutorialHow to select html select tag by default? Introduction to the use of select tagsHow to select html select tag by default? Introduction to the use of select tags
This article mainly introduces the default selection method of the select tag in HTML. There is a complete code example in it. Try the use of the code. Now let's take a look at this article about the select tag in HTML. Article
First of all, what we want to introduce is how can the select tag in html be selected by default? The
select element creates a single-select or multiple-select menu.
The
Tip: The select element is a form control that can be used to accept user input in a form.
General select tags have the following complete code:
<!doctype html> <html> <head> <meta charset="utf-8"> <title>PHP中文网</title> </head> <body> <select> <option value ="volvo">php中文网</option> <option value ="saab">百度</option> <option value="opel">新浪</option> <option value="audi">腾讯</option> </select> </body> </html>
The effect is obvious:
After clicking, the drop-down will open box, what we have to do today is how to select it by default. What we are talking about is the selected attribute. Enter this attribute in the drop-down box you want. The attribute value and attribute are the same, such as:
<select> <option value ="volvo">php中文网</option> <option value ="saab" selected="selected">百度</option> <option value="opel">新浪</option> <option value="audi">腾讯</option> </select>
Baidu is selected, and the effect is as shown in the figure:
Every time it is refreshed, Baidu is displayed on it. This is the usage of the selected attribute. Also very useful.
This article ends here (if you want to learn more HTML knowledge, welcome to the PHP Chinese website to learn, here are all the programming courses you want to learn), if you have any questions, you can ask below .
【Editor's Recommendation】
How to remove the label from the ol tag in html? Summary of how to use the tag
How to remove the dot from the ul tag in HTML? Style example analysis of HTML unordered list
The above is the detailed content of How to select html select tag by default? Introduction to the use of select tags. For more information, please follow other related articles on the PHP Chinese website!
What is the difference between an HTML tag and an HTML attribute?May 14, 2025 am 12:01 AMHTMLtagsdefinethestructureofawebpage,whileattributesaddfunctionalityanddetails.1)Tagslike,,andoutlinethecontent'splacement.2)Attributessuchassrc,class,andstyleenhancetagsbyspecifyingimagesources,styling,andmore,improvingfunctionalityandappearance.
The Future of HTML: Evolution and TrendsMay 13, 2025 am 12:01 AMThe future of HTML will develop in a more semantic, functional and modular direction. 1) Semanticization will make the tag describe the content more clearly, improving SEO and barrier-free access. 2) Functionalization will introduce new elements and attributes to meet user needs. 3) Modularity will support component development and improve code reusability.
Why are HTML attributes important for web development?May 12, 2025 am 12:01 AMHTMLattributesarecrucialinwebdevelopmentforcontrollingbehavior,appearance,andfunctionality.Theyenhanceinteractivity,accessibility,andSEO.Forexample,thesrcattributeintagsimpactsSEO,whileonclickintagsaddsinteractivity.Touseattributeseffectively:1)Usese
What is the purpose of the alt attribute? Why is it important?May 11, 2025 am 12:01 AMThe alt attribute is an important part of the tag in HTML and is used to provide alternative text for images. 1. When the image cannot be loaded, the text in the alt attribute will be displayed to improve the user experience. 2. Screen readers use the alt attribute to help visually impaired users understand the content of the picture. 3. Search engines index text in the alt attribute to improve the SEO ranking of web pages.
HTML, CSS, and JavaScript: Examples and Practical ApplicationsMay 09, 2025 am 12:01 AMThe 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.
How do you set the lang attribute on the tag? Why is this important?May 08, 2025 am 12:03 AMSetting 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.
What is the purpose of HTML attributes?May 07, 2025 am 12:01 AMHTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform
How do you create a list in HTML?May 06, 2025 am 12:01 AMTocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.
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
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
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.
