JavaScript started life as Live Script, but Netscape changed the name possibly because of the excitement being generated by Java to JavaScript. The name is confusing though, as there is no real connection between Java and JavaScript although some of the syntax looks similar.
JavaScript can be used in web pages for all major modern browsers. The not-quite-so-good news is that there are differences in the way the different browsers implement JavaScript, although the core JavaScript language is much the same. However, JavaScript can be turned off by the user—and many companies and other institutions require their users to do so for security reasons.
The great thing about JavaScript is that once you’ve learned how to use it for browser programming, you can move on to use it in other areas. Microsoft’s server IIS uses JavaScript to program server-side web pages (ASP), PDF files now use JavaScript, and even Windows administration tasks can be automated with JavaScript code. A lot of applications such as Dreamweaver and Photoshop are scrip table with JavaScript. Operating system add-on like the Apple Dashboard or Confabulation on Linux and Windows even allow you to write small helper applications in JavaScript.
JavaScript can be used in web pages for all major modern browsers. The not-quite-so-good news is that there are differences in the way the different browsers implement JavaScript, although the core JavaScript language is much the same. However, JavaScript can be turned off by the user—and many companies and other institutions require their users to do so for security reasons.
The great thing about JavaScript is that once you’ve learned how to use it for browser programming, you can move on to use it in other areas. Microsoft’s server IIS uses JavaScript to program server-side web pages (ASP), PDF files now use JavaScript, and even Windows administration tasks can be automated with JavaScript code. A lot of applications such as Dreamweaver and Photoshop are scrip table with JavaScript. Operating system add-on like the Apple Dashboard or Confabulation on Linux and Windows even allow you to write small helper applications in JavaScript.
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