... of JavaScript; when most people refer to JavaScript, they usually mean client-side JavaScript. This book documents client-side JavaScript, along with the core JavaScript language that client-side ... implementations are JavaScript 1.5 and JScript 5.5.1.3 Client-Side JavaScript When a JavaScript interpreter is embedded in a web browser, the result is client-side JavaScript. This is by far the most common ... reduce the amount of data that must be transmitted to the server. In somcases, client-side JavaScript can eliminate the need for scripts on the server altogether(On the other hand, JavaScript...