JavaScript essentials

JavaScript is a respected programming language by itself. It has a standard called ECMAScript (http://www.ecmascript.org/) and is accepted as a ratified standard by the W3C. The language is a part of the trinity of the fundamental standard web technologies: HTML5, CSS, and JavaScript. That said, what is JavaScript? It is a prototype dynamically typed scripting language with object types and enclosed scoped function blocks. In JavaScript, every type is strictly an object. The JavaScript support functions as a first-class citizen and rules on a and supports the declaration of functions that are assigned to an associated lexically scoped variable, property, or entity. JavaScript has a support for strings, integers, floating point numbers, and prototypes. JavaScript is essentially a property and prototypical language. It has a lexical support of object-based programming through scopes and closures. The widespread use of the language does not explicitly have reserved keywords...