This chapter describes the different attributes for the HTML form input element.
The value Attribute
The input value attribute specifies an initial value for an input field
The HTML Geolocation API is used to locate a user position.
Locate the User Position
The HTML Geolocation API is used to get the geographical position of a user.
Since this can compromise privacy, the position is not available unless the user approves it. 0470785916
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.
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.
Push notifications to your visitors with a toast, a lightweight and easily customizable alert message. 0470785916
Use screen reader utilities to hide elements on all devices except screen readers.
Composition vs Inheritance React has a powerful composition model, and we recommend using composition instead of inheritance to reuse code between components.
In this section, we will consider a few problems where developers new to React often reach for inheritance, and show how we can solve them with composition.
Clearfix Quickly and easily clear floated content within a container by adding a clearfix utility.
Form Elements This chapter describes all the different HTML form elements.
The input Element
One of the most used form element is the input element.
The input element can be displayed in several ways, depending on the type attribute.
Layout Templates We have created some responsive starter templates with CSS.
You are free to modify, save, share, and use them in all your projects.
It lets you compose complex UIs from small and isolated pieces of code called “components”. React has a few different kinds of components, but we’ll start with React.Component subclasses: