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Technical Articles

Web Front-end

This Isn't Supposed to Happen: Troubleshooting the Impossible

What it looks like to troubleshoot one of those impossible issues that turns out to be something totally else you never thought of.

May 15, 2025 am 10:32 AM

CSS: Can I use multiple IDs in the same DOM?

No,youshouldn'tusemultipleIDsinthesameDOM.1)IDsmustbeuniqueperHTMLspecification,andusingduplicatescancauseinconsistentbrowserbehavior.2)Useclassesforstylingmultipleelements,attributeselectorsfortargetingbyattributes,anddescendantselectorsforstructure

May 14, 2025 am 12:20 AM

CSS dom

The Aims of HTML5: Creating a More Powerful and Accessible Web

HTML5aimstoenhancewebcapabilities,makingitmoredynamic,interactive,andaccessible.1)Itsupportsmultimediaelementslikeand,eliminatingtheneedforplugins.2)Semanticelementsimproveaccessibilityandcodereadability.3)Featureslikeenablepowerful,responsivewebappl

May 14, 2025 am 12:18 AM

HTML5 网页开发

Significant Goals of HTML5: Enhancing Web Development and User Experience

HTML5aimstoenhancewebdevelopmentanduserexperiencethroughsemanticstructure,multimediaintegration,andperformanceimprovements.1)Semanticelementslike,,,andimprovereadabilityandaccessibility.2)andtagsallowseamlessmultimediaembeddingwithoutplugins.3)Featur

May 14, 2025 am 12:18 AM

HTML5 web开发

HTML5: Is it secure?

HTML5isnotinherentlyinsecure,butitsfeaturescanleadtosecurityrisksifmisusedorimproperlyimplemented.1)Usethesandboxattributeiniframestocontrolembeddedcontentandpreventvulnerabilitieslikeclickjacking.2)AvoidstoringsensitivedatainWebStorageduetoitsaccess

May 14, 2025 am 12:15 AM

Javascript Data Types : Is there any difference between Browser and NodeJs?

JavaScript core data types are consistent in browsers and Node.js, but are handled differently from the extra types. 1) The global object is window in the browser and global in Node.js. 2) Node.js' unique Buffer object, used to process binary data. 3) There are also differences in performance and time processing, and the code needs to be adjusted according to the environment.

May 14, 2025 am 12:15 AM

HTML5 goals in comparison with older HTML versions

HTML5aimedtoenhancewebdevelopmentbyintroducingsemanticelements,nativemultimediasupport,improvedformelements,andofflinecapabilities,contrastingwiththelimitationsofHTML4andXHTML.1)Itintroducedsemantictagslike,,,improvingstructureandSEO.2)Nativeaudioand

May 14, 2025 am 12:14 AM

HTML5 HTML版本比较

What Happens When the Vue.js Virtual DOM Detects a Change?

WhentheVue.jsVirtualDOMdetectsachange,itupdatestheVirtualDOM,diffsit,andappliesminimalchangestotherealDOM.ThisprocessensureshighperformancebyavoidingunnecessaryDOMmanipulations.

May 14, 2025 am 12:12 AM

Understanding the Bootstrap Grid System for Responsive Web Design

Bootstrap'sgridsystemiseffectiveduetoits12-columnlayoutandresponsiveclasses,allowingforflexibleandmaintainabledesigns.Toleverageit:1)Userowsandcolumnswithclasseslikecol-md,col-sm,andcol-lgfordifferentscreensizes.2)Simplifylayoutsbyavoidingexcessivene

May 14, 2025 am 12:07 AM

Mastering Microdata: A Step-by-Step Guide for HTML5

MicrodatainHTML5enhancesSEOanduserexperiencebyprovidingstructureddatatosearchengines.1)Useitemscope,itemtype,anditempropattributestomarkupcontentlikeproductsorevents.2)TestmicrodatawithtoolslikeGoogle'sStructuredDataTestingTool.3)ConsiderusingJSON-LD

May 14, 2025 am 12:07 AM

What is the difference between an HTML tag and an HTML attribute?

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

May 14, 2025 am 12:01 AM

HTML属性 HTML标签

@keyframes vs CSS Transitions: What is the difference?

@keyframesandCSSTransitionsdifferincomplexity:@keyframesallowsfordetailedanimationsequences,whileCSSTransitionshandlesimplestatechanges.UseCSSTransitionsforhovereffectslikebuttoncolorchanges,and@keyframesforintricateanimationslikerotatingspinners.

May 14, 2025 am 12:01 AM

CSS动画 CSS转换

Bootstrap Grid System: A Comprehensive Guide to Responsive Layouts

BootstrapGridSystemisessentialforcreatingresponsivelayouts.1)Itusescontainers,rows,andcolumnsbasedona12-columnlayout.2)CSSflexboxandmediaqueriesensureflexibilityacrossscreensizes.3)Classeslikecol-xs,col-sm,col-md,andcol-lgcontrollayoutchanges.4)Avoid

May 13, 2025 pm 04:17 PM

How Accurate Is It to Think of Vue.js's Virtual DOM as a Mirror of the Real DOM?

Vue.js' VirtualDOM is both a mirror of the real DOM, and not exactly. 1. Create and update: Vue.js creates a VirtualDOM tree based on component definitions, and updates VirtualDOM first when the state changes. 2. Differences and patching: Comparison of old and new VirtualDOMs through diff operations, and apply only the minimum changes to the real DOM. 3. Efficiency: VirtualDOM allows batch updates, reduces direct DOM operations, and optimizes the rendering process. VirtualDOM is a strategic tool for Vue.js to optimize UI updates.

May 13, 2025 pm 04:05 PM

Vue.js 虚拟DOM