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This article focuses on "how to understand the definition of behavior in javascript". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to understand the definition of behavior in javascript.

In JavaScript, behavior is a combination of events and actions, and behavior is actually a piece of JavaScript code inserted into a web page. Some dynamic effects can be achieved by using these codes, allowing the viewer to interact with the web page, so as to realize the intelligent response of the web page according to the actions of the browsers.

The operating environment of this tutorial: windows10 system, javascript1.8.5 version, Dell G3 computer.

What is the definition of behavior in javascript

Behavior is a combination of events and actions. In Dreamweaver, the behavior is actually a piece of JavaScript code inserted into the web page, which can be used to achieve some dynamic effects and allow the viewer to interact with the web page, so as to achieve the intelligent response of the web page according to the actions of the browsers. Let's distinguish the internal relationship between the four concepts of object, event, action and behavior.

Object: is the main body that produces behavior, most web page elements can become objects, such as pictures, text, multimedia, and even the whole page.

Event: is the cause of the action, which can be attached to various page elements or to HTML tags. An event is always specific to a page element or tag, for example, moving the mouse over a picture, moving the mouse out of the picture, clicking the left mouse button on a page element, and so on. Different types of browsers support different types and numbers of events, and usually higher versions of browsers support more events.

Actions: complete dynamic effects through actions, such as exchanging images, popping up messages, opening browsers, playing sounds, and so on. The action is usually a piece of JavaScript, and there are a lot of system behaviors built into Dreamweaver. Using this code will automatically add JavaScript code to the page, eliminating the trouble for users to write code.

Behavior: the combination of events and actions constitutes behavior. For example, associate an onClick event with a piece of JavaScript code that can be executed when clicked on an object. An event can be associated with multiple actions, that is, multiple actions can be performed when an event is triggered. In order to achieve the desired effect, the user can also specify and modify the order in which actions occur.

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