:active
:active is defined as: Pseudo-Class to match HTMLElement activate by user. Topics on: :active can be used to activate style on user clicking <a> or <button>. Re
:active is defined as: Pseudo-Class to match HTMLElement activate by user. Topics on: :active can be used to activate style on user clicking <a> or <button>. Re
:focus-visible is defined as: Pseudo-Class to match when HTMLElement has focus & apply (default) focus-ring to highlight element. Topics on: . Read more: CSS, C
:hover is defined as: Pseudo-Class to match HTMLElement when user pointer over HTMLElement. Topics on: will be overwritten by subsequent link Pseudo-Class i.e.
.textContent is defined as: to return/set text content of HTMLElement (+ Descendant). Topics on: .textContent differs from .innerText, .textContent differs from
<a> is defined as: Anchor Link Inline Element to anchor text to URL via href attribute. Topics on: href. Read more: HTML, Flow Content, HTML Element, Inline El
<article> is defined as: Article Content Semantic <div> Block Element to contain main text content. Topics on: . Read more: HTML, Flow Content, HTML Element, Bl
<audio> is defined as: Audio Inline Element to embed audio content into Document. Topics on: . Read more: HTML, Flow Content, HTML Element, Inline Element, Audi
<b> is defined as: Inline Element to style text as bold w/o Semantic. Topics on: <strong>. Read more: HTML, Flow Content, HTML Element, Inline Element, B, Seman
<button> is defined as: Interactive HTMLElement to user trigger programmable action. Topics on: . Read more: HTML, Flow Content, HTML Element | Full-Stack Wiki
<code> is defined as: Code Inline Element to style text as fragment of Source Code. Topics on: to display multiple lines of code, <code> applies default CSS sty
<dd> is defined as: Definition/Description Details Block Element to provide description/definition for preceding <dt> , within <dl> container. Topics on: . Read
<details> is defined as: Details Block Element for togglable disclosure widget to embed <summary>. Topics on: <summary>. Read more: HTML, Flow Content, HTML Ele
<div> is defined as: generic content division Block Element to contain Flow Content w/o Semantic. Topics on: <article>, <footer>, <header>, <main>, <nav>, <sect
<dl> is defined as: Definition/Description List Block Element to group list of <dd>/<dt> terms. Topics on: <dt>, <dd>. Read more: HTML, Flow Content, HTML Eleme
<dt> is defined as: Definition/Description Term Block Element to specify term in <dl> container. Topics on: . Read more: HTML, Flow Content, HTML Element, Block
<figcaption> is defined as: Figure Caption Block Element to provide caption or legend to parent <figure>. Topics on: . Read more: HTML, Flow Content, HTML Eleme
<figure> is defined as: Figure Block Element to embed figure as <img> along with <figcaption>. Topics on: <figcaption>. Read more: HTML, Flow Content, HTML Elem
<head> is defined as: Document Metadata Header HTMLElement to embed Metadata Content. Topics on: . Read more: HTML, Metadata Content, Head, HTML Element | Wiki
<html> is defined as: HTML Document Root HTMLElement to contain all HTML. Topics on: lang. Read more: HTML, Metadata Content, Html, Root, HTML Element| Dev Wiki
<i> is defined as: Idiomatic Text Inline Element to style text as italic w/o Semantic. Topics on: <em>, <cite>, <dfn>. Read more: HTML, Flow Content, HTML Eleme
<iframe> is defined as: Inline Frame Inline Element to embed another HTML page into Web Page. Topics on: sandbox, src, srcDoc, to manipulate iframe DOM, indirec
<img> is defined as: Inline Element to embed image to Document. Topics on: src, alt. Read more: HTML, Flow Content, HTML Element, Inline Element, Img, Document
<input> is defined as: Form Input Inline Element to accept user input via form UI. Topics on: disable copypaste, onpaste='return false' oncopy='return false'
<label> is defined as: Input Label Inline Element to add caption via for HTML Attribute. Topics on: . Read more: HTML, Flow Content, HTML Element, Inline Elemen
<li> is defined as: List Item Block Element to rep individual item in list (<ol>, <ul> or <menu>). Topics on: . Read more: HTML, Flow Content, HTML Element, Blo
<link> is defined as: External Resource Link HTMLElement to specify Metadata Content relationships of Document & external resources. Topics on: <link> to import
<main> is defined as: Semantic Main Content <div> to group <article> & sub-content elements. Topics on: . Read more: HTML, Flow Content, HTML Element, Block Ele
<menu> is defined as: Semantic <ul> Menu List Block Element to display list of Interactive items. Topics on: . Read more: HTML, Flow Content, HTML Element, Bloc
<meta> is defined as: Metadata Content HTMLElement to define Metadata of Document. Topics on: for SEO add name='keywords' to <meta> as content string - which do
<noscript> is defined as: NoScript Metadata Content HTMLElement to load fallback content IF script disabled/fail load. Topics on: . Read more: HTML, Metadata Co
<ol> is defined as: Ordered List Block Element to contain <li> as number list. Topics on: . Read more: HTML, Flow Content, HTML Element, Block Element, Ol, Li
<picture> is defined as: Picture Inline Element to load alternative versions of image to match based on Viewport/Browser into Document. Topics on: . Read more:
<pre> is defined as: HTMLElement to display preformatted text (as literally written in HTML Source Code). Topics on: . Read more: HTML, Flow Content, HTML Eleme
<progress> is defined as: Progress Indicator HTMLElement to display loading progress bar. Topics on: value. Read more: HTML, Flow Content, HTML Element, Progres
<s> is defined as: Strikethrough Inline Element to draw line through text. Topics on: !deprecated <strike>, <del>. Read more: HTML, Flow Content, HTML Element,
<script> is defined as: Script Metadata Content HTMLElement to embed code (usually JS). Topics on: can also embed non-Javascript languages & JSON. Read more: HT
<select> is defined as: Interactive Drop-down Menu Selection List HTMLElement to embed list of <option>. Topics on: <option>. Read more: HTML, Flow Content, Int
<source> is defined as: Media Source Inline Element to specify media resource for <audio>, <picture> or <video>. Topics on: Media Query for <source>, or combine
<summary> is defined as: Disclosure Summary Block Element to specify summary, caption or legend for <details> box. Topics on: . Read more: HTML, Flow Content, H
<table> is defined as: Table Block Element container to embed tabulated data. Topics on: <thead>, <tbody>, <tfoot>. Read more: HTML, Flow Content, HTML Element,
<tbody> is defined as: Table Body Block Element to embed <tr>. Topics on: <tr>, <td>, <th>. Read more: HTML, Flow Content, HTML Element, Block Element, Table, T
<time> is defined as: datetime Inline Element to Semantic mark date for machine-compat. Topics on: datetime. Read more: HTML, Flow Content, HTML Element, Inline
<tr> is defined as: Table Row Block Element for each cell row in table. Topics on: . Read more: HTML, Flow Content, HTML Element, Block Element, Table, Tbody, T
<u> is defined as: Underline Inline Element to style text with underline as unarticulated annotation Semantic. Topics on: <ins>. Read more: HTML, Flow Content,
<ul> is defined as: Unordered List Block Element to embed <li> (default display bullet points). Topics on: <menu>. Read more: HTML, Flow Content, HTML Element,
<video> is defined as: Video Inline Element to embed video media player into Document. Topics on: . Read more: HTML, Flow Content, HTML Element, Inline Element,
Block Element is defined as: 📦 HTMLElement to stack as blocks (default) & fill width of HTML. Topics on: <aside>, <blockquote>, <details>, <div>, <dl>, <figure
Box Generation is defined as: (process) HTMLElement format type set by display to process by Visual Formatting Model & create box. Topics on: . Read more: CSS,
Child Selector is defined as: > Selector for direct Child HTMLElement. Topics on: select first level list element. Read more: CSS, CSS Syntax, Selector, Combina
Class Selector is defined as: .myClass Selector to match any HTMLElement with class attribute. Topics on: Class Selector can be chained onto Type Selector. Read
createPortal() is defined as: ReactDOM API Escape Hatch function to render child HTMLElement to any container HTMLElement other than parent. Topics on: Portal,
CSS Property is defined as: variable to define visual characteristic of HTMLElement. Topics on: color, text-decoration, display, CSS Shorthand Property Assignme
datetime is defined as: HTML Attribute to set machine-readable <time> string. Topics on: . Read more: HTML, Flow Content, HTML Element, Inline Element, Time, D
Descendent Selector is defined as: Selector for Descendant HTMLElement (rel to other HTMLElement). Topics on: apply style to ul.menu>li>a. Read more: CSS, CSS S
DOM Traversal is defined as: (process) to walk through DOM API ; to select HTMLElement Node relative to each other. Topics on: . Read more: JS, JS Concepts, Ja
elementInViewport() is defined as: utility to check IF HTMLElement inside Viewport. Topics on: . Read more: JS, JS Snippets, HTML Element, Viewport|web-Dev Wiki
Event Delegation is defined as: (Design Pattern) to attach Event Listener to common parent to utilize Bubbling Phase to apply Event to multiple HTMLElement. Top
Flow Content is defined as: any HTMLElement to go inside <body> via Normal Flow. Topics on: Normal Flow, HTMLElement, each HTMLElement child Element type can ha
href is defined as: HTML Attribute to set URL Hyperlink reference for <a>. Topics on: . Read more: HTML, Flow Content, HTML Element, Inline Element, A, Href, HT
HTML Attribute is defined as: props for HTMLElement. Topics on: Global attributes. Read more: HTML, Flow Content, HTML Attribute, HTML Element | Full-Stack Wiki
HTMLElement is defined as: Interface Object to rep Element in HTML. Topics on: <button>, <object>, <pre>, <progress>, Block Element, Inline Element. Read more:
indirect comms with ael. Topics on: set up event listener for messages on top level window - window.addEventListener('message', event=>console.log(event), false
Inline Element is defined as: 🔤HTMLElement Flow Content to flow side-by-side. Topics on: <a>, <abbr>, <address>, <audio>, <b>, <bdo>, <br>, <code>, <data>, <da
Interactive is defined as: Flow Content HTMLElement for user interaction. Topics on: <select>, <textarea>, <datalist>, <fieldset>, <optgroup>. Read more: HTML,
Layout Shift is defined as: when HTMLElement in Viewport changes position - any jitter between frames - indicate visual instability, usually unintentional - mea
Metadata Content is defined as: HTMLElement to mod presentation/behavior of Document & provides additional info. Topics on: !DOCTYPE, <base>, <link>, <meta>, <n
Normal Flow is defined as: default way HTMLElement arrange into Web Page. Topics on: . Read more: HTML, Flow Content, Normal Flow, HTML Element, Web Page | Wiki
oninvalid is defined as: Form Event Signal fire when HTMLElement invalid. Topics on: add listener for oninvalid. Read more: JS, JS Concepts, Java Script Runtime
React.Fragment is defined as: empty React placeholder container w/o 'physical' HTMLElement add to final HTML. Topics on: <></> shorthand JS Syntax cannot accept
sandbox is defined as: HTML Attribute to restrict access to <iframe> vs Browsing Context. Topics on: '', 'allow-same-origin', 'allow-scripts'. Read more: HTML,
Selector is defined as: CSS Syntax to define pattern to match HTMLElement instances (& special states) in document to direct Style Rule. Topics on: Simple Selec
src is defined as: HTML Attribute to set URL of Web Page to embed URL. Topics on: 'about:blank'. Read more: HTML, Flow Content, HTML Element, Inline Element, If
srcDoc is defined as: HTML Attribute to load HTML static markup as String into <iframe>. Topics on: ⚠Browser may limit max length srcDoc for embed page. Read mo
Type Selector is defined as: Selector to match all instance by typeof HTMLElement node in Document. Topics on: Universal Selector. Read more: CSS, CSS Syntax, S
Universal Selector is defined as: * Special Type Selector to match every HTMLElement. Topics on: useful for resetting margins. Read more: CSS, CSS Syntax, Selec