Introduction To Javascript :
Java script in the most popular scripting language on the Internet and works in all major browsers, such as Internet, explorer, Firefox, Chrome, Opera and Safari.
What is JavaScript ?
Java script is scripting language it is usually embedded directly into HTML pages it is an interpreted language scripting language is a lightweight programming language everyone can you Java script without purchasing a licence.
Are Java and Java script the same :
No ! According to both concept and design Java and Java script are two completely different languages Java programming language is developed by sun micro systems it is a powerful and much more complex programming language as C and C++.
What can a java script do :
- Java script is a good programming tool for HTML designers.
- With the help of JavaScript code user can put dynamic text into an HTML page of Java script statement like this document write ("h1>"+ name ^F/hl^') can write a variable text into an HTML page.
- In Java script events can also be used a JavaScript can be set to execute when something happens like when a page has finished loading or when are user clicks on an HTML element.
- By using JavaScript HTML elements can be easily read and write a java script can also changed the content of an HTML element.
- The user can also use Java script to validate the data are Java script can be used to validate form data before it is submitted to a server this shaves the server from extra processing.
- A Java script can be used to detect the visitors browser and depending on the browser load another page specifically design for that browser.
- Using Java script the cookies can also be created a java script can be used to store and retrieve information on the digital computer.
The real name of Java script is ECMA ( European computer manufacturing association ) script it was developed in 1996 the standard was approved as an international ISO ( ISO/ EC 16262 ) standard in 1998 and the development of the standard is still in progress.