0500459267

0500459267

HTML Audio

The controls attribute adds audio controls, like play, pause, and volume.
The source element allows you to specify alternative audio files which the browser may choose from. The browser will use the first recognized format.
The text between the audio tags will only be displayed in browsers that do not support the audio element.


Design for Mobile First

Always Design for Mobile First
Mobile First means designing for mobile before designing for desktop or any other device (This will make the page display faster on smaller devices).
This means that we must make some changes in our CSS.
Instead of changing styles when the width gets smaller than 768px, we should change the design when the width gets larger than 768px. This will make our design Mobile First: 0500459267


Forms

Examples and usage guidelines for form control styles, layout options, and custom components for creating a wide variety of forms.


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Navs

Navigation available in Bootstrap share general markup and styles, from the base .nav class to the active and disabled states. Swap modifier classes to switch between each style.
The base .nav component is built with flexbox and provide a strong foundation for building all types of navigation components. It includes some style overrides (for working with lists), some link padding for larger hit areas, and basic disabled styling.


Approach

Learn about the guiding principles, strategies, and techniques used to build and maintain Bootstrap so you can more easily customize and extend it yourself. 0500459267


State and Lifecycle

This page introduces the concept of state and lifecycle in a React component. You can find a detailed component API reference here.
Consider the ticking clock example from one of the previous sections. In Rendering Elements, we have only learned one way to update the UI. We call ReactDOM.render() to change the rendered output:


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YouTube Videos The easiest way to play videos in HTML, is to use YouTube.
Struggling with Video Formats?
Earlier in this tutorial, you have seen that you might have to convert your videos to different formats to make them play in all browsers.
Converting videos to different formats can be difficult and time-consuming.
An easier solution is to let YouTube play the videos in your web page.
YouTube Video Id
YouTube will display an id (like tgbN6m87vqY), when you save (or play) a video.
You can use this id, and refer to your video in the HTML code.
Playing a YouTube Video in HTML
To play your video on a web page, do the following:
Upload the video to YouTube
Take a note of the video id
Define an iframe element in your web page
Let the src attribute point to the video URL
Use the width and height attributes to specify the dimension of the player

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What is Multimedia? Multimedia comes in many different formats. It can be almost anything you can hear or see, like images, music, sound, videos, records, films, animations, and more.
Web pages often contain multimedia elements of different types and formats.
Browser Support
The first web browsers had support for text only, limited to a single font in a single color.
Later came browsers with support for colors, fonts, images, and multimedia!
Multimedia Formats
Multimedia elements (like audio or video) are stored in media files.
The most common way to discover the type of a file, is to look at the file extension.
Multimedia files have formats and different extensions like: .wav, .mp3, .mp4, .mpg, .wmv, and .avi.
Common Video Formats
Videoformats There are many video formats out there.
The MP4, WebM, and Ogg formats are supported by HTML.
The MP4 format is recommended by YouTube.

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Vertical alignment Easily change the vertical alignment of inline, inline-block, inline-table, and table cell elements.

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Thinking in React React is, in our opinion, the premier way to build big, fast Web apps with JavaScript. It has scaled very well for us at Facebook and Instagram.
One of the many great parts of React is how it makes you think about apps as you build them. In this document, we’ll walk you through the thought process of building a searchable product data table using React.

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Bootstrap Containers You learned from the previous chapter that Bootstrap requires a containing element to wrap site contents.
Containers are used to pad the content inside of them, and there are two container classes available:
The .container class provides a responsive fixed width container
The .container-fluid class provides a full width container, spanning the entire width of the viewport

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HTML Audio The controls attribute adds audio controls, like play, pause, and volume.
The source element allows you to specify alternative audio files which the browser may choose from. The browser will use the first recognized format.
The text between the audio tags will only be displayed in browsers that do not support the audio element.