Is js front-end or back-end?

Javascript is a front-end development language. It is a dynamically typed, weakly typed, prototype-based language; JavaScript often forms front-end development together with HTML and CSS technologies. JavaScript generally interacts with the background through Ajax for data interaction.

The operating environment of this article: Windows 7 system, Dell G3 computer, javascript1.8.5.

Javascript is a front-end development language. It is often used together with HTML and CSS technologies to form front-end development. JavaScript generally interacts with the background through ajax for data interaction.

JavaScript is a literal scripting language. It is a dynamically typed, weakly typed, prototype-based language with built-in support for types. Its interpreter is called the JavaScript engine, which is part of the browser and is widely used in client-side scripting languages. It was first used on HTML (an application under Standard Universal Markup Language) web pages to add dynamic functions to HTML web pages. .

JavaScript is a client-side scripting language that is object- and event-driven and relatively safe. It is also a scripting language widely used in client-side web development. It is often used to add dynamic functions to HTML web pages, such as responding to various user operations. Originally designed by Brendan Eich at Netscape, it is a dynamic, weakly typed, prototype-based language with built-in support classes. JavaScript is a registered trademark of Sun Microsystems. Ecma International developed the ECMAScript standard based on JavaScript. JavaScript can also be used in other situations, such as server-side programming. The complete JavaScript implementation consists of three parts: ECMAScript, Document Object Model, and Byte Order Notation.

【Recommended reading: JavaScript video tutorial】

【Recommended reading: What does JS mean】

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