Beginning JavaScript with DOM Scripting and Ajax is an essential resource for modern JavaScript programming. This completely updated second edition covers everything you need to know to get up-to-speed with JavaScript development and add dynamic enhancements to web pages, right from the basics. As well as focusing on client-side JavaScript, you will also learn how to work with the Browser Object Model, the Document Object Model (DOM), how to use XML and JSON as well as communicate with service side scripts such as PHP. Find out how to: Construct good JavaScript syntax following modern coding practices Use JavaScript to communicate with the server and retrieve data Dynamically manipulate markup, validate forms and deal with images Debug applications using features inside the browser JavaScript is one of the most important technologies on the web. It provides the means to add dynamic functionality to your web pages and serves as the backbone of Ajax-style web development. Beginning JavaScript with DOM Scripting and Ajax will take you from being a JavaScript novice to work freely with this important technology - begin your JavaScript journey today! What you’ll learn What functions, variables, events and objects are and how to use them. How build a site that will still work in the case that JavaScript is turned off. How to access and update part of the page using code. How to use JavaScript to communicate with the server and retrieve data. How to use JavaScript to for form validation and user feedback. How to use Third-Party Libraries like jQuery. Who this book is for Beginning JavaScript with DOM Scripting and Ajax is for the person who has a good grasp of HTML and CSS but wants to add JavaScript to their skillset. If you want to learn some basic programming concepts, have experience but need help updating your skills, or you’re coming from another language, Beginning JavaScript with DOM Scripting and Ajax can help. Table of Contents Getting Started with JavaScript Data and Decisions From DHTML to DOM Scripting HTML5 and JavaScript Presentation and Behavior (CSS and Event Handling) Common Uses of JavaScript: Image and Windows JavaScript and User Integration: Navigation and Forms Back-End Interaction with Ajax and Node.js Data Validation Techniques Modern JavaScript Case Study: A Dynamic Gallery Using Third-Party JavaScript Appendix A: Debugging JavaScript