JavaScript Learning notes (i)

To learn the language, I am accustomed to the first to a quick and comprehensive understanding of the language, probably understand and then carry out in-depth study.

Javascript is a literal-translation scripting language, a dynamic type, a weak type, and a prototype-based language.

its interpreter is called JavaScript Engine, part of the browser.

JavaScript is widely used in client-side scripting to increase the dynamic functionality of Web pages.

JavaScript has multiple versions, but these versions are compatible with one standard: theECMA standard. Reduce the difficulty of learning.

JavaScript is made up of three parts:

• • ECMAScript, which describes the syntax and basic objects of the language.

  • Document Object Model ( DOM), which describes the methods and interfaces for handling Web page content.

  • Browser Object Model ( BOM), which describes the methods and interfaces that interact with the browser.

Next, we will talk about learning the above three parts, through learning, we can basically use JavaScript accomplishes the following 6 tasks:

1. embed dynamic text in HTML pages.

2, respond to browser events.

3. Read and write HTML elements.

4 . Verify data before data is submitted to the server.

5 . Monitor visitor's browser information.

6. Control of cookies, including creation and modification.

JavaScript Learning notes (i)