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Xiaobian to share with you what the role of the browser, I believe most people do not know how, so share this article for your reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

Browser is an application program used to retrieve, display and transmit Web information resources in computer system. Web information resources are marked by Uniform Resource Identifiers (URIs), and users can browse related information through browsers by means of hyperlinks.

Browsers are applications used to retrieve, display, and deliver Web information resources. A Web information resource is identified by a Uniform Resource Identifier (URI), which is a web page, an image, a video, or any content presented on the Web. Hyperlinks allow users to browse interrelated information through a browser.

Composition of the browser

Address bar: used to input the address of the website, IE browser by identifying the information in the address bar, correctly connect the user to access the content. To log in to the website, simply enter the URL of the website in the address bar: http://www.hao123.com and press [Enter] or click the button on the right side of the address bar. In the address bar is also attached to the IE in common command shortcut buttons, such as refresh (C), stop (x), etc., forward, backward button set in front of the address bar.

2. Menu bar: composed of "File," "Edit," "View," "Favorites," "Tools" and "Help" menus. Each menu contains the relevant command options to control IE work, these options contain all the browser operations and settings.

Tabs: Starting with Internet Explorer version 8, IE browsers can use multi-tab browsing to open web pages in a tabbed manner.

4. Page window: It is the main window of IE browser, and the content of the accessed web page is displayed here. Some words or objects in the page have hyperlink attributes. When the mouse pointer is placed on it, it will turn into a hand shape. Click the left mouse button, and the browser will automatically jump to the URL pointed to by the link; click the right mouse button, and a shortcut menu will pop up, from which you can select the operation command to be executed.

Status bar: real-time display of the current operation and download progress of the Web page. When a web page is being opened, the progress of the site opening is also displayed. In addition, the status bar allows you to zoom in and out of the page.

Major browser categories

Mainstream browsers are divided into IE, Chrome, Firefox, Safari and other major categories, they have the following characteristics:

1. Internet Explorer. IE browser is a browser that comes with Windows system launched by Microsoft. Its kernel is independently developed by Microsoft. It is referred to as IE kernel (Trident kernel). The browser only supports Windows platform. Most browsers in China provide some plug-ins on the basis of IE kernel, such as 360 browser, Sogou browser, etc.

2. Chrome browser. Chrome browser is a browser independently developed by Google on the basis of open source projects. The kernel is WebKit, which has the first market share and provides many convenient plug-ins for developers. Therefore, this browser is also the main browser developed in this book. Chrome not only supports Windows, but also Linux and Mac, and it also provides mobile applications (such as Android and iOS).

Firefox browser. Firefox browser is an open source browser provided by open source organizations, the kernel is Gecko; it has open source browser source code, but also provides a lot of plug-ins, convenient for users to use, support Windows platform, Linux platform and Mac platform.

Safari browser. Safari browser is mainly a browser tailored by Apple for Mac system. The kernel is WebKit, which is mainly used in Mac and iOS system.

The above is all the contents of this article "What is the role of browsers?" Thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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