Differences between PHP and JavaScript

The difference between PHP and JavaScript

PHP is a powerful server-side scripting language for creating dynamic interactive sites, mainly used on the Web Development field, and JavaScript is a lightweight, interpreted or just-in-time compiled high-level programming language with function priority, mainly used for developing front-end applications.

Recommended video tutorials: "PHP" "JS Tutorial"

PHP Features

(1) Open source and free nature

Since the source code of the PHP interpreter is public, websites with higher security factors can change it themselves PHP interpreter. In addition, the use of the PHP runtime environment is also free. [1]

(2) Quickness

PHP is a language that is very easy to learn and use. Its grammatical features are similar to C language, but not as complicated as C language. Address operation, and the addition of object-oriented concepts, coupled with its concise syntax rules, make it very simple to operate and edit, and highly practical.

(3) Extensibility of database connections

PHP can establish connections with many mainstream databases, such as MySQL, ODBC, Oracle, etc. PHP uses different compiled functions to establish connections with these databases For connection purposes, PHPLIB is a commonly used base library provided for general transactions.

(4) Use process-oriented and object-oriented together

In the use of PHP language, you can use process-oriented and object-oriented respectively, and you can mix PHP process-oriented and object-oriented together. , which is something that many other programming languages ​​cannot do.

JavaScript Features

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

• 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.

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

• Cross-platform features, with the support of most browsers, 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.

• can realize human-computer interaction on web pages.

Recommended tutorials: "PHP" "JS Tutorial"

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