An overview of JavaScript
Download as PPTX, PDF4 likes1,663 views
This document provides a comprehensive introduction to JavaScript, highlighting its creation by Netscape in 1995 and its basis in the ECMAScript standard. It outlines JavaScript's features, uses, and programming capabilities, including its object-oriented nature and client-side scripting capabilities. Additionally, it lists various JavaScript frameworks and offers references for further learning.
An overview of JavaScript
- 1. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com An Introduction to JavaScript
- 2. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com An Introduction to JavaScript The company, Netscape, designed JavaScript to provide an easy programming tools for HTML design. Created by Brendan Eich in May 1995. ECMA Script (European Computer Manufacturer’s Association) ECMA Script is a Standard for a scripting languages. Languages like JavaScript are based on the ECMA Script. ECMA Standard is based on several originating technologies, the most well known being JavaScript (Netscape) and JScript (Microsoft). DOM (Document Object Model) The DOM is the way JavaScript sees its containing pages' data. It is an object that includes how the HTML/XHTML/XML is formatted, as well as the browser state. BOM (Browser Object Model) The BOM is browser components aside from the document, like history, location, navigator and screen (as well as some others that vary by browser).
- 3. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com What is JavaScript? • JavaScript is a class-free, Object-oriented language. • JavaScript is Client Side Scripting language and dynamic language. • JavaScript is an interpreted language. • With JavaScript you can change any object at any time. • JavaScript is an object-oriented language with prototypal inheritance. • With JavaScript you can create Anonymous Functions. • JavaScript can automatically change a formatted date on a Web page. • JavaScript can cause a linked-to page to appear in a popup window. • Its syntax comes from Java and C languages, so many structures from those languages apply to JavaScript as well.
- 4. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com JavaScript Features • Syntax is similar to C++ and Java • Case Sensitive • Loosely Types • Platform Independent • Interpreted • Semicolons, as separator for multiple statements in the same line. • Built in Objects • Prototype-based object-oriented programming • Array and object literals • Regular expressions • Browser Detects
- 5. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com Why JavaScript? • To create more interactive pages – client side validations • To generate HTML dynamically • Event Handlings • To enhance browser capabilities by giving it a better look – printing on status bar • Interact with embedded components like applets and active x controls • JavaScript is relatively fast to the end user • JavaScript is used for creating visual effects on screen, calculating data and performing processing on web pages.
- 6. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com Available Programming Features in JavaScript • Variables • Data Types • Functions • Operators • Arrays • Conditions • Events • Reserved Words • Prototypes • Objects • Objects • DOM • BOM • Reg Exp • Array Objects • Call back • Closures • Hoisting • Scope • Function Declaration Types • Browser Detection • Debugging • Call, Apply • Strict Mode Here are list of some of important available features in JavaScript.
- 7. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com JavaScript Syntax External JavaScript Internal JavaScript Inline JavaScript
- 8. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com Some of List Of JavaScript Frameworks DOM Related Frameworks React JS Dojo JQuery Moo Tools Prototype YUI Graphical/visualization D3 High Charts Raphael Three Any Chart GUI Widgets Bootstrap Dojo Widgets Ext JS of Sencha JQuery UI Kendo UI of Telerik OpenUI5 of SAP MVC, MVVM Angular Backbone Ember Enyo Ext JS Google Web Toolkit Knockout Meteor React SproutCore Unit Testing Jasmine Mocha Template Engine Handle bars JQuery Mobile Mustache Pure JS/AJAX Google Closure Socket IO Underscore
- 9. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com JavaScript References https://developer.mozilla.org/en-US/docs/Web/JavaScript https://msdn.microsoft.com/en-us/library/br212465(v=vs.94).aspx http://www.java2s.com/ http://www.w3schools.com/js/ http://www.javascriptkit.com/javatutors/index.shtml http://www.tutorialspoint.com/javascript/
- 10. Author : Subrahmanyam Poluru | Website : www.onlinetraininghome.com Thank You Author : Subrahmanyam Poluru Website : www.subrahmanyampoluru.com E-mail : [email protected] For Training : www.onlinetraininghome.com