What is a Web Worker?
When executing scripts in an HTML page, the page becomes unresponsive until the script is finished.
We have created some responsive starter templates with CSS.
You are free to modify, save, share, and use them in all your projects. 0923602541
What is Bootstrap?
Bootstrap is a free front-end framework for faster and easier web development
Bootstrap also gives you the ability to easily create responsive designs
Indicate the current page’s location within a navigational hierarchy that automatically adds separators via CSS.
Easily extend form controls by adding text, buttons, or button groups on either side of textual inputs, custom selects, and custom file inputs. 0923602541
Learn about the guiding principles, strategies, and techniques used to build and maintain Bootstrap so you can more easily customize and extend it yourself.
Comments HTML comments are not displayed in the browser, but they can help document your HTML source code.
Embeds Create responsive video or slideshow embeds based on the width of the parent by creating an intrinsic ratio that scales on any device.
What is HTML Web Storage? With web storage, web applications can store data locally within the user browser.
Before HTML5, application data had to be stored in cookies, included in every server request. Web storage is more secure, and large amounts of data can be stored locally, without affecting website performance.
Unlike cookies, the storage limit is far larger (at least 5MB) and information is never transferred to the server.
Web storage is per origin (per domain and protocol). All pages, from one origin, can store and access the same data.
The Viewport What is The Viewport?
The viewport is the user visible area of a web page.
The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen.
Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.
Then, when we started surfing the internet using tablets and mobile phones, fixed size web pages were too large to fit the viewport.
To fix this, browsers on those devices scaled down the entire web page to fit the screen. This was not perfect!! But a quick fix.
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: