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This article introduces the knowledge of "which is the predecessor of the javascript language". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The javascript language, formerly known as LiveScript, was originally designed by Brendan Eich of Netscape; later, Netscape renamed it JavaScript after working with Sun.

This article operating environment: windows7 system, javascript1.8.5 version, Dell G3 computer.

What was the predecessor of the javascript language?

The predecessor of the javascript language is LiveScript.

JavaScript was originally designed by Netscape's Brendan Eich, initially named its scripting language LiveScript, and later renamed JavaScript after working with Sun. JavaScript was originally inspired by Java, one of the purposes is to "look like Java", so there are grammatical similarities, some names and naming conventions are also borrowed from Java, but the main design principles of JavaScript are derived from Self and Scheme. The similarity between JavaScript and Java is the result of an agreement reached with Sun Microsystems for marketing considerations by Netscape at that time. Microsoft also launched a scripting language for JScript to compete with JavaScript at the same time.

In the early stage of development, the standard of JavaScript was not determined, and there were Netscape's JavaScript, Microsoft's JScript and CEnvi's ScriptEase during the same period. For interoperability, Ecma International (formerly known as the European Association of computer Manufacturers) created the ECMA-262 standard (ECMAScript), both of which belong to the implementation of ECMAScript. Although JavaScript is promoted and promoted as a scripting language for non-programmers, rather than as a scripting language for programmers, JavaScript has very rich features. [10] in 1997, under the coordination of ECMA (European Association of computer Manufacturers), a working group composed of Netscape, Sun, Microsoft and Borland decided on a unified standard: ECMA-262. The complete JavaScript implementation consists of three parts: ECMAScript, document object model, and browser object model. [9]

JavaScript is a registered trademark of Oracle. Ecma International has formulated the ECMAScript standard based on JavaScript. JavaScript can also be used in other situations, such as server-side programming (Node.js).

Main function

1. Embed dynamic text in the HTML page.

two。 Respond to browser events.

3. Read and write HTML elements.

4. Validate the data before it is submitted to the server.

5. Detect the browser information of the visitor. Control cookies, including creation and modification, etc.

6. Server-side programming based on Node.js technology.

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