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v4 beta 3 docs

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This commit is contained in:
Mark Otto
2017-12-28 09:55:44 -08:00
parent ed05e78a9b
commit b01323ae05
150 changed files with 12613 additions and 25343 deletions
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docs/4.0/migration/index.html
+148 -318
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@@ -3,18 +3,20 @@
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="generator" content="Jekyll v3.6.0">
<meta name="description" content="Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.">
<meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
<meta name="generator" content="Jekyll v3.6.2">
<title>Migrating to v4 &middot; Bootstrap</title>
<title>Migrating to v4 · Bootstrap</title>
<!-- Bootstrap core CSS -->
<link href="/dist/css/bootstrap.min.css" rel="stylesheet">
<link href="/dist/css/bootstrap.min.css" rel="stylesheet">
<!-- Documentation extras -->
<link href="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css" rel="stylesheet">
<link href="/assets/css/docs.min.css" rel="stylesheet">
@@ -29,28 +31,19 @@
<meta name="theme-color" content="#563d7c">
<!-- Meta -->
<meta name="description" content="The most popular HTML, CSS, and JS library in the world.">
<meta name="author" content="Mark Otto, Jacob Thornton, and Bootstrap contributors">
<!-- Twitter -->
<meta name="twitter:card" content="summary">
<meta name="twitter:site" content="@getbootstrap">
<meta name="twitter:creator" content="@getbootstrap">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Migrating to v4">
<meta name="twitter:description" content="Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.">
<meta name="twitter:image" content="https://getbootstrap.com/assets/brand/bootstrap-social-logo.png">
<meta name="twitter:title" content="Migrating to v4">
<meta name="twitter:description" content="Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.">
<meta name="twitter:image" content="https://getbootstrap.com/assets/brand/bootstrap-social-logo.png">
<!-- Facebook -->
<meta property="og:url" content="https://getbootstrap.com/docs/4.0/migration/">
<meta property="og:title" content="Migrating to v4">
<meta property="og:description" content="Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.">
<meta property="og:type" content="website">
<meta property="og:url" content="https://getbootstrap.com/docs/4.0/migration/">
<meta property="og:title" content="Migrating to v4">
<meta property="og:description" content="Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.">
<meta property="og:type" content="website">
<meta property="og:image" content="http://getbootstrap.com/assets/brand/bootstrap-social.png">
<meta property="og:image:secure_url" content="https://getbootstrap.com/assets/brand/bootstrap-social.png">
<meta property="og:image:type" content="image/png">
@@ -76,10 +69,8 @@
</a>
<header class="navbar navbar-expand navbar-dark flex-column flex-md-row bd-navbar">
<a class="navbar-brand mr-0 mr-md-2" href="/" aria-label="Bootstrap">
<svg class="d-block" width="36" height="36" viewbox="0 0 612 612" xmlns="http://www.w3.org/2000/svg" focusable="false"><title>Bootstrap</title><path fill="currentColor" d="M510 8a94.3 94.3 0 0 1 94 94v408a94.3 94.3 0 0 1-94 94H102a94.3 94.3 0 0 1-94-94V102a94.3 94.3 0 0 1 94-94h408m0-8H102C45.9 0 0 45.9 0 102v408c0 56.1 45.9 102 102 102h408c56.1 0 102-45.9 102-102V102C612 45.9 566.1 0 510 0z"/><path fill="currentColor" d="M196.77 471.5V154.43h124.15c54.27 0 91 31.64 91 79.1 0 33-24.17 63.72-54.71 69.21v1.76c43.07 5.49 70.75 35.82 70.75 78 0 55.81-40 89-107.45 89zm39.55-180.4h63.28c46.8 0 72.29-18.68 72.29-53 0-31.42-21.53-48.78-60-48.78h-75.57zm78.22 145.46c47.68 0 72.73-19.34 72.73-56s-25.93-55.37-76.46-55.37h-74.49v111.4z"/></svg>
</a>
<a class="navbar-brand mr-0 mr-md-2" href="/" aria-label="Bootstrap"><svg class="d-block" width="36" height="36" viewbox="0 0 612 612" xmlns="http://www.w3.org/2000/svg" focusable="false"><title>Bootstrap</title><path fill="currentColor" d="M510 8a94.3 94.3 0 0 1 94 94v408a94.3 94.3 0 0 1-94 94H102a94.3 94.3 0 0 1-94-94V102a94.3 94.3 0 0 1 94-94h408m0-8H102C45.9 0 0 45.9 0 102v408c0 56.1 45.9 102 102 102h408c56.1 0 102-45.9 102-102V102C612 45.9 566.1 0 510 0z"/><path fill="currentColor" d="M196.77 471.5V154.43h124.15c54.27 0 91 31.64 91 79.1 0 33-24.17 63.72-54.71 69.21v1.76c43.07 5.49 70.75 35.82 70.75 78 0 55.81-40 89-107.45 89zm39.55-180.4h63.28c46.8 0 72.29-18.68 72.29-53 0-31.42-21.53-48.78-60-48.78h-75.57zm78.22 145.46c47.68 0 72.73-19.34 72.73-56s-25.93-55.37-76.46-55.37h-74.49v111.4z"/></svg>
</a>
<div class="navbar-nav-scroll">
<ul class="navbar-nav bd-navbar-nav flex-row">
@@ -121,26 +112,20 @@
</li>
<li class="nav-item">
<a class="nav-link p-2" href="https://github.com/twbs/bootstrap" target="_blank" rel="noopener" aria-label="GitHub">
<svg class="navbar-nav-svg" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 499.36" focusable="false"><title>GitHub</title><path d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z" fill="currentColor" fill-rule="evenodd"/></svg>
</a>
<a class="nav-link p-2" href="https://github.com/twbs/bootstrap" target="_blank" rel="noopener" aria-label="GitHub"><svg class="navbar-nav-svg" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 499.36" focusable="false"><title>GitHub</title><path d="M256 0C114.64 0 0 114.61 0 256c0 113.09 73.34 209 175.08 242.9 12.8 2.35 17.47-5.56 17.47-12.34 0-6.08-.22-22.18-.35-43.54-71.2 15.49-86.2-34.34-86.2-34.34-11.64-29.57-28.42-37.45-28.42-37.45-23.27-15.84 1.73-15.55 1.73-15.55 25.69 1.81 39.21 26.38 39.21 26.38 22.84 39.12 59.92 27.82 74.5 21.27 2.33-16.54 8.94-27.82 16.25-34.22-56.84-6.43-116.6-28.43-116.6-126.49 0-27.95 10-50.8 26.35-68.69-2.63-6.48-11.42-32.5 2.51-67.75 0 0 21.49-6.88 70.4 26.24a242.65 242.65 0 0 1 128.18 0c48.87-33.13 70.33-26.24 70.33-26.24 14 35.25 5.18 61.27 2.55 67.75 16.41 17.9 26.31 40.75 26.31 68.69 0 98.35-59.85 120-116.88 126.32 9.19 7.9 17.38 23.53 17.38 47.41 0 34.22-.31 61.83-.31 70.23 0 6.85 4.61 14.81 17.6 12.31C438.72 464.97 512 369.08 512 256.02 512 114.62 397.37 0 256 0z" fill="currentColor" fill-rule="evenodd"/></svg>
</a>
</li>
<li class="nav-item">
<a class="nav-link p-2" href="https://twitter.com/getbootstrap" target="_blank" rel="noopener" aria-label="Twitter">
<svg class="navbar-nav-svg" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 416.32" focusable="false"><title>Twitter</title><path d="M160.83 416.32c193.2 0 298.92-160.22 298.92-298.92 0-4.51 0-9-.2-13.52A214 214 0 0 0 512 49.38a212.93 212.93 0 0 1-60.44 16.6 105.7 105.7 0 0 0 46.3-58.19 209 209 0 0 1-66.79 25.37 105.09 105.09 0 0 0-181.73 71.91 116.12 116.12 0 0 0 2.66 24c-87.28-4.3-164.73-46.3-216.56-109.82A105.48 105.48 0 0 0 68 159.6a106.27 106.27 0 0 1-47.53-13.11v1.43a105.28 105.28 0 0 0 84.21 103.06 105.67 105.67 0 0 1-47.33 1.84 105.06 105.06 0 0 0 98.14 72.94A210.72 210.72 0 0 1 25 370.84a202.17 202.17 0 0 1-25-1.43 298.85 298.85 0 0 0 160.83 46.92" fill="currentColor"/></svg>
</a>
<a class="nav-link p-2" href="https://twitter.com/getbootstrap" target="_blank" rel="noopener" aria-label="Twitter"><svg class="navbar-nav-svg" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 416.32" focusable="false"><title>Twitter</title><path d="M160.83 416.32c193.2 0 298.92-160.22 298.92-298.92 0-4.51 0-9-.2-13.52A214 214 0 0 0 512 49.38a212.93 212.93 0 0 1-60.44 16.6 105.7 105.7 0 0 0 46.3-58.19 209 209 0 0 1-66.79 25.37 105.09 105.09 0 0 0-181.73 71.91 116.12 116.12 0 0 0 2.66 24c-87.28-4.3-164.73-46.3-216.56-109.82A105.48 105.48 0 0 0 68 159.6a106.27 106.27 0 0 1-47.53-13.11v1.43a105.28 105.28 0 0 0 84.21 103.06 105.67 105.67 0 0 1-47.33 1.84 105.06 105.06 0 0 0 98.14 72.94A210.72 210.72 0 0 1 25 370.84a202.17 202.17 0 0 1-25-1.43 298.85 298.85 0 0 0 160.83 46.92" fill="currentColor"/></svg>
</a>
</li>
<li class="nav-item">
<a class="nav-link p-2" href="https://bootstrap-slack.herokuapp.com" target="_blank" rel="noopener" aria-label="Slack">
<svg class="navbar-nav-svg" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512" focusable="false"><title>Slack</title><path fill="currentColor" d="M210.787 234.832l68.31-22.883 22.1 65.977-68.309 22.882z"/><path d="M490.54 185.6C437.7 9.59 361.6-31.34 185.6 21.46S-31.3 150.4 21.46 326.4 150.4 543.3 326.4 490.54 543.34 361.6 490.54 185.6zM401.7 299.8l-33.15 11.05 11.46 34.38c4.5 13.92-2.87 29.06-16.78 33.56-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18l-11.46-34.38-68.36 22.92 11.46 34.38c4.5 13.92-2.87 29.06-16.78 33.56-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18l-11.46-34.43-33.15 11.05c-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18c-4.5-13.92 2.87-29.06 16.78-33.56l33.12-11.03-22.1-65.9-33.15 11.05c-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18c-4.48-13.93 2.89-29.07 16.81-33.58l33.15-11.05-11.46-34.38c-4.5-13.92 2.87-29.06 16.78-33.56s29.06 2.87 33.56 16.78l11.46 34.38 68.36-22.92-11.46-34.38c-4.5-13.92 2.87-29.06 16.78-33.56s29.06 2.87 33.56 16.78l11.47 34.42 33.15-11.05c13.92-4.5 29.06 2.87 33.56 16.78s-2.87 29.06-16.78 33.56L329.7 194.6l22.1 65.9 33.15-11.05c13.92-4.5 29.06 2.87 33.56 16.78s-2.88 29.07-16.81 33.57z" fill="currentColor"/></svg>
</a>
<a class="nav-link p-2" href="https://bootstrap-slack.herokuapp.com" target="_blank" rel="noopener" aria-label="Slack"><svg class="navbar-nav-svg" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512" focusable="false"><title>Slack</title><path fill="currentColor" d="M210.787 234.832l68.31-22.883 22.1 65.977-68.309 22.882z"/><path d="M490.54 185.6C437.7 9.59 361.6-31.34 185.6 21.46S-31.3 150.4 21.46 326.4 150.4 543.3 326.4 490.54 543.34 361.6 490.54 185.6zM401.7 299.8l-33.15 11.05 11.46 34.38c4.5 13.92-2.87 29.06-16.78 33.56-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18l-11.46-34.38-68.36 22.92 11.46 34.38c4.5 13.92-2.87 29.06-16.78 33.56-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18l-11.46-34.43-33.15 11.05c-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18c-4.5-13.92 2.87-29.06 16.78-33.56l33.12-11.03-22.1-65.9-33.15 11.05c-2.87.82-6.14 1.64-9 1.23a27.32 27.32 0 0 1-24.56-18c-4.48-13.93 2.89-29.07 16.81-33.58l33.15-11.05-11.46-34.38c-4.5-13.92 2.87-29.06 16.78-33.56s29.06 2.87 33.56 16.78l11.46 34.38 68.36-22.92-11.46-34.38c-4.5-13.92 2.87-29.06 16.78-33.56s29.06 2.87 33.56 16.78l11.47 34.42 33.15-11.05c13.92-4.5 29.06 2.87 33.56 16.78s-2.87 29.06-16.78 33.56L329.7 194.6l22.1 65.9 33.15-11.05c13.92-4.5 29.06 2.87 33.56 16.78s-2.88 29.07-16.81 33.57z" fill="currentColor"/></svg>
</a>
</li>
</ul>
<a class="btn btn-bd-yellow d-none d-lg-inline-block mb-3 mb-md-0 ml-md-3" href="https://github.com/twbs/bootstrap/archive/v4.0.0-beta.2.zip">Download</a>
<a class="btn btn-bd-download d-none d-lg-inline-block mb-3 mb-md-0 ml-md-3" href="https://github.com/twbs/bootstrap/archive/v4.0.0-beta.3.zip">Download</a>
</header>
@@ -149,10 +134,8 @@
<div class="col-12 col-md-3 col-xl-2 bd-sidebar">
<form class="bd-search d-flex align-items-center">
<input type="search" class="form-control" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off">
<button class="btn btn-link bd-search-docs-toggle d-md-none p-0 ml-3" type="button" data-toggle="collapse" data-target="#bd-docs-nav" aria-controls="bd-docs-nav" aria-expanded="false" aria-label="Toggle docs navigation">
<svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 30 30" width="30" height="30" focusable="false"><title>Menu</title><path stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-miterlimit="10" d="M4 7h22M4 15h22M4 23h22"/></svg>
</button>
<button class="btn btn-link bd-search-docs-toggle d-md-none p-0 ml-3" type="button" data-toggle="collapse" data-target="#bd-docs-nav" aria-controls="bd-docs-nav" aria-expanded="false" aria-label="Toggle docs navigation"><svg xmlns="http://www.w3.org/2000/svg" viewbox="0 0 30 30" width="30" height="30" focusable="false"><title>Menu</title><path stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-miterlimit="10" d="M4 7h22M4 15h22M4 23h22"/></svg>
</button>
</form>
<nav class="collapse bd-links" id="bd-docs-nav"><div class="bd-toc-item">
@@ -163,58 +146,31 @@
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/getting-started/introduction/">
Introduction
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/download/">
Download
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/contents/">
Contents
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/browsers-devices/">
Browsers & devices
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/javascript/">
JavaScript
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/theming/">
Theming
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/build-tools/">
Build tools
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/webpack/">
Webpack
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/getting-started/accessibility/">
Accessibility
</a>
</li></ul>
</a></li></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.0/layout/overview/">
Layout
@@ -223,28 +179,16 @@
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/layout/overview/">
Overview
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/layout/grid/">
Grid
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/layout/media-object/">
Media object
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/layout/utilities-for-layout/">
Utilities for layout
</a>
</li></ul>
</a></li></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.0/content/reboot/">
Content
@@ -253,40 +197,22 @@
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/content/reboot/">
Reboot
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/content/typography/">
Typography
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/content/code/">
Code
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/content/images/">
Images
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/content/tables/">
Tables
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/content/figures/">
Figures
</a>
</li></ul>
</a></li></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.0/components/alerts/">
Components
@@ -295,130 +221,67 @@
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/components/alerts/">
Alerts
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/badge/">
Badge
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/breadcrumb/">
Breadcrumb
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/buttons/">
Buttons
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/button-group/">
Button group
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/card/">
Card
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/carousel/">
Carousel
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/collapse/">
Collapse
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/dropdowns/">
Dropdowns
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/forms/">
Forms
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/input-group/">
Input group
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/jumbotron/">
Jumbotron
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/list-group/">
List group
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/modal/">
Modal
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/navs/">
Navs
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/navbar/">
Navbar
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/pagination/">
Pagination
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/popovers/">
Popovers
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/progress/">
Progress
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/scrollspy/">
Scrollspy
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/components/tooltips/">
Tooltips
</a>
</li></ul>
</a></li></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.0/utilities/borders/">
Utilities
@@ -427,100 +290,52 @@
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/utilities/borders/">
Borders
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/clearfix/">
Clearfix
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/close-icon/">
Close icon
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/colors/">
Colors
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/display/">
Display
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/embed/">
Embed
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/flex/">
Flex
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/float/">
Float
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/image-replacement/">
Image replacement
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/position/">
Position
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/screenreaders/">
Screenreaders
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/sizing/">
Sizing
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/spacing/">
Spacing
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/text/">
Text
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/vertical-align/">
Vertical align
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/utilities/visibility/">
Visibility
</a>
</li></ul>
</a></li></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.0/extend/icons/">
Extend
@@ -529,10 +344,7 @@
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/extend/icons/">
Icons
</a>
</li></ul>
</a></li></ul>
</div><div class="bd-toc-item active">
<a class="bd-toc-link" href="/docs/4.0/migration/">
Migration
@@ -540,41 +352,23 @@
<ul class="nav bd-sidenav"></ul>
</div><div class="bd-toc-item">
<a class="bd-toc-link" href="/docs/4.0/about/history/">
<a class="bd-toc-link" href="/docs/4.0/about/overview/">
About
</a>
<ul class="nav bd-sidenav"><li>
<a href="/docs/4.0/about/history/">
History
</a>
</li><li>
<a href="/docs/4.0/about/team/">
Team
</a>
</li><li>
<a href="/docs/4.0/about/overview/">
Overview
</a></li><li>
<a href="/docs/4.0/about/brand/">
Brand
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/about/license/">
License
</a>
</li><li>
</a></li><li>
<a href="/docs/4.0/about/translations/">
Translations
</a>
</li></ul>
</a></li></ul>
</div></nav>
</div>
@@ -582,6 +376,13 @@
<div class="d-none d-xl-block col-xl-2 bd-toc">
<ul class="section-nav">
<li class="toc-entry toc-h2"><a href="#beta-3-changes">Beta 3 changes</a>
<ul>
<li class="toc-entry toc-h3"><a href="#miscellaneous">Miscellaneous</a></li>
<li class="toc-entry toc-h3"><a href="#forms">Forms</a></li>
<li class="toc-entry toc-h3"><a href="#input-groups">Input groups</a></li>
</ul>
</li>
<li class="toc-entry toc-h2"><a href="#beta-2-changes">Beta 2 changes</a>
<ul>
<li class="toc-entry toc-h3"><a href="#breaking">Breaking</a></li>
@@ -602,7 +403,7 @@
<li class="toc-entry toc-h3"><a href="#typography">Typography</a></li>
<li class="toc-entry toc-h3"><a href="#images">Images</a></li>
<li class="toc-entry toc-h3"><a href="#tables">Tables</a></li>
<li class="toc-entry toc-h3"><a href="#forms">Forms</a></li>
<li class="toc-entry toc-h3"><a href="#forms-1">Forms</a></li>
<li class="toc-entry toc-h3"><a href="#buttons">Buttons</a></li>
<li class="toc-entry toc-h3"><a href="#button-group">Button group</a></li>
<li class="toc-entry toc-h3"><a href="#dropdowns">Dropdowns</a></li>
@@ -637,7 +438,50 @@
<p class="bd-lead">Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.</p>
<script async src="https://cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=getbootstrapcom" id="_carbonads_js"></script>
<h2 id="beta-2-changes">Beta 2 changes</h2>
<h2 id="beta-3-changes">Beta 3 changes</h2>
<p>While Beta 2 saw the bulk of our breaking changes during the beta phase, but we still have a few that needed to be addressed in the Beta 3 release. These changes apply if you’re updating to Beta 3 from Beta 2 or any older version of Bootstrap.</p>
<h3 id="miscellaneous">Miscellaneous</h3>
<ul>
<li>Removed the unused <code class="highlighter-rouge">$thumbnail-transition</code> variable. We weren’t transitioning anything, so it was just extra code.</li>
<li>The npm package no longer includes any files other than our source and dist files; if you relied on them and were running our scripts via the <code class="highlighter-rouge">node_modules</code> folder, you should adapt your workflow.</li>
</ul>
<h3 id="forms">Forms</h3>
<ul>
<li>
<p>Rewrote both custom and default checkboxes and radios. Now, both have matching HTML structure (outer <code class="highlighter-rouge">&lt;div&gt;</code> with sibling <code class="highlighter-rouge">&lt;input&gt;</code> and <code class="highlighter-rouge">&lt;label&gt;</code>) and the same layout styles (stacked default, inline with modifier class). This allows us to style the label based on the input’s state, simplifying support for the <code class="highlighter-rouge">disabled</code> attribute (previously requiring a parent class) and better supporting our form validation.</p>
<p>As part of this, we’ve changed the CSS for managing multiple <code class="highlighter-rouge">background-image</code>s on custom form checkboxes and radios. Previously, the now removed <code class="highlighter-rouge">.custom-control-indicator</code> element had the background color, gradient, and SVG icon. Customizing the background gradient meant replacing all of those every time you needed to change just one. Now, we have <code class="highlighter-rouge">.custom-control-label::before</code> for the fill and gradient and <code class="highlighter-rouge">.custom-control-label::after</code> handles the icon.</p>
<p>To make a custom check inline, add <code class="highlighter-rouge">.custom-control-inline</code>.</p>
</li>
<li>
<p>Updated selector for input-based button groups. Instead of <code class="highlighter-rouge">[data-toggle="buttons"] { }</code> for style and behavior, we use the <code class="highlighter-rouge">data</code> attribute just for JS behaviors and rely on a new <code class="highlighter-rouge">.btn-group-toggle</code> class for styling.</p>
</li>
<li>
<p>Removed <code class="highlighter-rouge">.col-form-legend</code> in favor of a slightly improved <code class="highlighter-rouge">.col-form-label</code>. This way <code class="highlighter-rouge">.col-form-label-sm</code> and <code class="highlighter-rouge">.col-form-label-lg</code> can be used on <code class="highlighter-rouge">&lt;legend&gt;</code> elements with ease.</p>
</li>
</ul>
<h3 id="input-groups">Input groups</h3>
<ul>
<li>
<p>Input group addons are now specific to their placement relative to an input. We’ve dropped <code class="highlighter-rouge">.input-group-addon</code> and <code class="highlighter-rouge">.input-group-btn</code> for two new classes, <code class="highlighter-rouge">.input-group-prepend</code> and <code class="highlighter-rouge">.input-group-append</code>. You must explicitly use an append or a prepend now, simplifying much of our CSS.</p>
</li>
<li>
<p>Validation styles are now supported, as are multiple inputs (though you can only validate one input per group).</p>
</li>
<li>
<p>Sizing classes must be on the parent <code class="highlighter-rouge">.input-group</code> and not the individual form elements.</p>
</li>
</ul>
<h2 id="beta-2-changes">Beta 2 changes</h2>
<p>While in beta, we aim to have no breaking changes. However, things don’t always go as planned. Below are the breaking changes to bear in mind when moving from Beta 1 to Beta 2.</p>
@@ -720,7 +564,7 @@
<ul>
<li>the upstream version of <a href="https://glyphicons.com/">Glyphicons</a></li>
<li><a href="https://octicons.github.com/">Octicons</a></li>
<li><a href="http://fontawesome.io/">Font Awesome</a></li>
<li><a href="https://fontawesome.com/">Font Awesome</a></li>
<li>See the <a href="/docs/4.0/extend/icons/">Extend page</a> for a list of alternatives. Have additional suggestions? Please open an issue or PR.</li>
</ul>
</li>
@@ -771,7 +615,7 @@
<li>Renamed contextual classes to have a <code class="highlighter-rouge">.table-</code>-prefix. Hence <code class="highlighter-rouge">.active</code>, <code class="highlighter-rouge">.success</code>, <code class="highlighter-rouge">.warning</code>, <code class="highlighter-rouge">.danger</code> and <code class="highlighter-rouge">.info</code> to <code class="highlighter-rouge">.table-active</code>, <code class="highlighter-rouge">.table-success</code>, <code class="highlighter-rouge">.table-warning</code>, <code class="highlighter-rouge">.table-danger</code> and <code class="highlighter-rouge">.table-info</code>.</li>
</ul>
<h3 id="forms">Forms</h3>
<h3 id="forms-1">Forms</h3>
<ul>
<li>Moved element resets to the <code class="highlighter-rouge">_reboot.scss</code> file.</li>
@@ -799,7 +643,7 @@
<ul>
<li>Renamed <code class="highlighter-rouge">.btn-default</code> to <code class="highlighter-rouge">.btn-secondary</code>.</li>
<li>Dropped the <code class="highlighter-rouge">.btn-xs</code> class entirely as <code class="highlighter-rouge">.btn-sm</code> is proportionally much smaller than v3’s.</li>
<li>The <a href="/docs/3.3/javascript/#buttons-stateful">stateful button</a> feature of the <code class="highlighter-rouge">button.js</code> jQuery plugin has been dropped. This includes the <code class="highlighter-rouge">$().button(string)</code> and <code class="highlighter-rouge">$().button('reset')</code> methods. We advise using a tiny bit of custom JavaScript instead, which will have the benefit of behaving exactly the way you want it to.
<li>The <a href="https://getbootstrap.com/docs/3.3/javascript/#buttons-stateful">stateful button</a> feature of the <code class="highlighter-rouge">button.js</code> jQuery plugin has been dropped. This includes the <code class="highlighter-rouge">$().button(string)</code> and <code class="highlighter-rouge">$().button('reset')</code> methods. We advise using a tiny bit of custom JavaScript instead, which will have the benefit of behaving exactly the way you want it to.
<ul>
<li>Note that the other features of the plugin (button checkboxes, button radios, single-toggle buttons) have been retained in v4.</li>
</ul>
@@ -921,6 +765,7 @@
<ul>
<li>Replaced contextual <code class="highlighter-rouge">.progress-bar-*</code> classes with <code class="highlighter-rouge">.bg-*</code> utilities. For example, <code class="highlighter-rouge">class="progress-bar progress-bar-danger"</code> becomes <code class="highlighter-rouge">class="progress-bar bg-danger"</code>.</li>
<li>Replaced <code class="highlighter-rouge">.active</code> for animated progress bars with <code class="highlighter-rouge">.progress-bar-animated</code>.</li>
</ul>
<h3 id="carousel">Carousel</h3>
@@ -968,6 +813,7 @@
<li>Dropped <code class="highlighter-rouge">.center-block</code> for the new <code class="highlighter-rouge">.mx-auto</code> class.</li>
</ul>
</li>
<li>Clearfix updated to drop support for older browser versions.</li>
</ul>
<h3 id="vendor-prefix-mixins">Vendor prefix mixins</h3>
@@ -1028,20 +874,7 @@
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script>window.jQuery || document.write('<script src="/assets/js/vendor/jquery-slim.min.js"><\/script>')</script>
<script src="/assets/js/vendor/popper.min.js"></script>
<script src="/dist/js/bootstrap.min.js"></script>
<script src="/assets/js/docs.min.js"></script>
<script src="/assets/js/ie-emulation-modes-warning.js"></script>
<script src="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.js"></script>
<script src="/assets/js/vendor/popper.min.js"></script><script src="/dist/js/bootstrap.min.js"></script><script src="/assets/js/docs.min.js"></script><script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
<script>
docsearch({
apiKey: '48cb48b22351bc71ea5f12f4d1ede198',
@@ -1061,10 +894,7 @@
},
debug: false // Set debug to true if you want to inspect the dropdown
});
</script>
<script>
</script><script>
Holder.addTheme('gray', {
bg: '#777',
fg: 'rgba(255,255,255,.75)',