What is the difference between asp and javascript

The difference is: asp is a format of a web page, ASP is the abbreviation of "Active Server Page", meaning "dynamic server page"; javascript is an object-oriented dynamic type case-sensitive client Side scripting language, the main purpose is to solve the server-side language.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

#asp：

ASP stands for Active Server Pages. It is a server-side scripting environment developed by Microsoft. It can be used to create dynamic interactive web pages and build powerful web applications. .

When the server receives a request for an ASP file, it processes the server-side script code contained in the HTML web page file that is used to build the file that is sent to the browser. In addition to server-side script code, ASP files can also contain text, HTML (including associated client-side script) and COM component calls.

ASP is simple and easy to maintain, and is the choice for small page applications. When using DCOM (Distributed Component Object Model) and MTS (Microsoft Transaction Server), ASP can even implement medium-sized enterprise applications. .

Features:

1. Use simple and easy scripting languages ​​such as VBScript and JavaScript. Combined with HTML code, you can quickly complete the website application and implement dynamic web page technology.

2. The ASP file is contained in a file composed of HTML code, which is easy to modify and test, and can be interpreted and executed without compilation or linking.

3. The scripting language used by ASP is executed on the Web server. The ASP interpreter on the server will execute the ASP program on the server and transmit the results to the client browser in HTML format.

4. ASP provides some built-in objects. Using these objects can make server-side scripts more powerful.

5. ASP can use server-side ActiveX components to perform a variety of tasks, such as accessing databases, discovering emails, or accessing file systems.

6. Since the server transmits the result of ASP program execution back to the client browser in HTML format, the user will not see the original program code written by ASP, which can prevent the ASP program code from being stolen.

JavaScript:

JavaScript is a scripting language that belongs to the Internet. It has been widely used in Web application development and is often used to add various dynamics to web pages. function to provide users with a smoother and more beautiful browsing effect. Usually JavaScript scripts realize their functions by embedding them in HTML.

Features:

is an interpreted scripting language (the code is not precompiled).

is mainly used to add interactive behaviors to HTML (an application under Standard Universal Markup Language) pages.

Can be directly embedded into HTML pages, but writing it as a separate js file is beneficial to the separation of structure and behavior.

Cross-platform feature, with the support of most browsers, it can run on multiple platforms (such as Windows, Linux, Mac, Android, iOS, etc.).

Javascript scripting language, like other languages, has its own basic data types, expressions and arithmetic operators, and the basic program framework of the program. Javascript provides four basic data types and two special data types for processing data and text. Variables provide a place to store information, and expressions can complete more complex information processing.

[Recommended learning: javascript advanced tutorial]

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