


1. Application of multimedia in HTML_falsh animation (insert Flash animation into web pages)
1. The first method of inserting Flash animation: use to mark the animation and it will automatically shrink
Attributes:
src=url(Flash path)
width=pixels/percent (flash width)
height=pixels/percent (flash height)
wmode
window makes flash itself A rectangular window to play
opaque makes flash hide the page behind it
transparent makes the background of flash transparent
2. The second method of inserting Flash animation: Use the tag to insert the flash animation. You can also automatically generate the code
2. Application of multimedia in HTML_mp3 (insert music into web pages)
1. Use
Attribute Value Description
utostart true/false Automatic/non-automatic play
loop Number Number of music loops (unlimited if not added) )
Its predecessor is
2. Use the tag to insert MP3 music
attribute value description
name src (path) music path
utoplay (true/false) whether to play automatically
3. Set movable text
(there are limitations, some browsers do not support it well)
Attributes:
direction="Scroll direction" (left (default), right (right), up (up), down (down))
behavior="Scroll method" (scroll (walk around and around), slide (walk only once), alternate (walk back and forth))
loop="Number of scrolling loops" The default loop is infinite (infinite)
scrolldelay="Delay" (Take one step, stop one)
scrollmount="Speed" (the larger the value, the faster)
bgcolor="Background color"
width="Width"
height="Height"
hspace="pixels" The distance between the left and right sides from the browser border
vspace="pixels" The distance between the top and bottom sides from the browser border
onmouseover="this.stop()": when the mouse is placed Stop scrolling
onmouseout="this.start()"Remove the mouse and continue scrolling

HTMLtagsdefinethestructureofawebpage,whileattributesaddfunctionalityanddetails.1)Tagslike,,andoutlinethecontent'splacement.2)Attributessuchassrc,class,andstyleenhancetagsbyspecifyingimagesources,styling,andmore,improvingfunctionalityandappearance.

The 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.

HTMLattributesarecrucialinwebdevelopmentforcontrollingbehavior,appearance,andfunctionality.Theyenhanceinteractivity,accessibility,andSEO.Forexample,thesrcattributeintagsimpactsSEO,whileonclickintagsaddsinteractivity.Touseattributeseffectively:1)Usese

The 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.

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.

HTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform

TocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.


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