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Beginning JavaScript® and CSS Development with jQuery By Wrox Wiley Publishing Ebook Free Download 1.0

Beginning JavaScript® and CSS Development with jQuery By Wrox Wiley Publishing Ebook Free Download
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Beginning JavaScript® and CSS Development with jQuery By Wrox Wiley Publishing Ebook Free Download 2019


Introduction to Javascript For Newbies
Javascript is a client-side programming language whose processing engine is embedded in web browsers like Internet Explorer, Netscape, Firefox, etc. This enables the processing engine to read and interpret web pages that contain the javascript code when browsing.

Javascript was invented to add more exciting features to HTML pages. HTML on it's on is pretty boring and it cannot do much besides display a webpage. Javascript programming, on the other hand, can provide a host of exciting features like perform calculations, allows the user to interact with webpages, perform form validations, manipulate elements on a webpage, provide excellent visual effects, enables dynamic functions and so much more.

All of this provides the user to the site with an enhanced user experience. Because javascript is a client-side language, all of these features are available in real time without the browser having to refer to the server all the time. This prevents time delays and increases user satisfaction.

JavaScript is basically a programing language created by the company Netscape. The language has gained quite a lot of popularity in the recent months as it allows the web developers to modify the browser actions as well as the contents of the site in such a manner which is not at all possible using the traditional HTML tools or even CSS. Use of JavaScript on a web page empowers the developer to control the way his page reacts, and behaves to specific actions from the user, inspect the document elements displayed on the page, validate the form options before they are submitted, check the native browser details, set cookies for specific operations, add date and time to the page, and even embed simple mini games in the website. The complete language is simple to learn and understand once you have the basic knowledge of OOPS concepts and HTML.

Software and Knowledge Needed

Before starting up with the new language, you must have a basic understanding of HTML head and body areas, and few simple statements used to add images, insert hyperlinks, make paragraphs in the hypertext language. The software which you can use for starting the JavaScript tour is basic text editor. Windows OS users may go for Notepad or Notepad++ and Mac Users can use TextEdit or TextWrangler. The code would need a web browser (preferably Mozilla Firefox or Google Chrome) for successful compilation and running.

Differences Between JQuery and JavaScript
As a hugely popular client-side scripting language, JavaScript does not need any introduction. In addition to being used as part of web browsers, JavaScript also controls the web browsers, effectuates user interaction, facilitates asynchronous communication, and delivers customized content to users. So most web developers use JavaScript to reduce the time and effort required for building large or complex websites. The web developers also have option to use several JavaScript frameworks to effectuate and speedup web development.

JQuery is a widely used cross-platform JavaScript library. Despite being open source, jQuery is easy to use, fast and concise. The API provide by jQuery works seamlessly on major web browsers. Also, the feature-rich JavaScript library makes it easier for web developers to manipulate HTML documents, handle events, create animations, select DOM elements, and build AJAX application. At the same time, jQuery can also be used for creating a variety of plug-ins by taking advantages of the JavaScript library.

Thus, the modern web developers have option to use JavaScript and jQuery either independently or side by side. However, it is also important for the programmers to understand some of the major differences between JavaScript and jQuery.

4 Important Differences between JavaScript and jQuery

1) Programming Language and Library

As a dynamic programming language, JavaScript supports object-oriented, structured, functional and imperative programming styles. The first-class functions and dynamic typing also make JavaScript categorized as a prototype-based scripting language. On the other hand, jQuery is a JavaScript library. The framework makes it easier for developers to accomplish a number of common web tasks like HTML document manipulation, event handling, animation, DOM element selection and AJAX application development.

2) Scripting Time

When a web developer decides to use straight JavaScript, he has to write additional code to accomplish several tasks. He further has to put extra time and effort for debugging and fixing browser compatibility issues. But jQuery allows developers to take advantage of existing scripting. So they can use the scripting existing in jQuery to accomplish a number of web tasks without writing longer lines of code. Thus, jQuery makes it easier for web programmers to save the time and efforts required for building modern websites and internet applications.

3) Simplification of Client-Side Scripting

As a client-side scripting language, JavaScript makes it easier for developers to effectuate user interaction and deliver customized content to users. But the developers have to write longer lines of code to write a web application in straight JavaScript. So web developers often use JavaScript development frameworks to accomplish the scripting functions easily and quickly. As a cross-platform JavaScript library, jQuery comes with features to perform the common scripting functionalities. So developers can use the library to simplify the client-side scripting of HTML. The plug-ins, widgets and UIs provided by the framework help web programmers to drastically reduce development time.

4) Performance

Both JavaScript and jQuery run quite faster on the latest web browsers and computers. But the speed of both JavaScript and jQuery is impacted by use of older web browsers. As JavaScript can access the DOM faster than jQuery, the programmers can easily curtail the overheads associated with the library. However, jQuery makes it easier for developers to build high-performing websites and internet application by availing functionality independent of web browsers.

On the whole, JavaScript is a dynamic and feature-rich programming language, whereas jQuery is a library of JavaScript code. The proficient JavaScript developers can easily use jQuery to accomplish a variety of tasks without writing longer lines of code. However, they can still use jQuery without being proficient in the popular client-side scripting language. That is why; the developers need to choose JavaScript or jQuery according to specific needs of the project.

jQuery Tutorial - Javascript

jQuery is a Javascript library which is used widely as it makes the designing of a website an easy affair. It is always fun to design a website with attractive colors and templates.

jQuery is preferred over Javascript by the developers as it has lots of advanced features and it is very easy to develop web pages or applications using jQuery. The number of codings used in jQuery is very less compared to javascript. Experts feel that the result which can be achieved in jQuery with a single line may require 20 lines in Javascript.

jQuery can be used to select elements in a page, create wrapped set of elements, manipulate the wrapped set of elements by changing their appearance, style, visibility, text, and even their HTML.

jQuery is not huge in size and it takes very less time to execute the result. It is also used to separate the client-side scripts from the HTML mark-ups. Unlike other javascript libraries, jQuery contains numerous functions which can be used.

Versatility is one of the amiable features of jQuery as it can be used on different browsers like Internet Explorer, Mozilla Firefox, or Safari. As all these browsers do not work the same way, we are sometimes forced to write separate codes for each.

jQuery removes the trouble of repetition of tasks. It can also be used to handle events, perform animation, and add the Ajax support into the web applications without any complications. Also the effects which can be produced using jQuery are outstanding. One can use toggle, fading, side effects through very plain codes.

Learning jQuery is fun and easy as the script is simple to understand. Especially a person who knows Javascript will find learning jQuery a cake walk. There are innumerable tutorials available online to learn jQuery. Number of sites provide jQuery tutorial in a user-friendly form which can be learnt with examples.

They provide syntaxes for every attributes, function, etc neatly categorized under various divisions which enables the user to perceive the script soon. There are few tutorials which also have "Try It" option which, apart from understanding with examples, allows the user to try and check the effect or the result.

jQuery is a JavaScript library full of tools ready to be used - which means that it's pre-written JavaScript, ready for you to put to work in your own webpages. Here, you a get a guided tour of what makes jQuery so popular.

jQuery specializes in letting you select elements in a page, and it does that better than any JavaScript library. You will see how to create wrapped sets of elements in jQuery, so you can handle multiple elements at the same time. You will see how to manipulate wrapped set of elements by changing their appearance, style, visibility, text, and even their HTML.

jQuery also comes packed with super-powerful and cool utility functions, such as functions that let you determine which browser the user has and what its capabilities are. jQuery provides many utility functions and you will get a look at the best ones here.

jQuery is known for its visual effects which includes slike-looking wipes, in which a sheet of color wipes over an element and fades, in which an element and its background fades from view. Here you will see what you can do with these kinds of effects.

The jQuery library has taken the front-end development world by storm. Its dead-simple syntax makes once-complicated tasks downright trivial-enjoyable, even. Many a developer has been quickly seduced by its elegance and clarity. If you've started using the library, you're already adding rich, interactive experiences to your projects. Getting started is easy, but as is the case with many of the tools we use to develop websites, it can take months or even years to fully appreciate the breadth and depth of the jQuery library. The library is chock-full of features you might never have known to wish for. Once you know about them, they can dramatically change how you approach the problems you're called upon to solve.

The jQuery widgets, which are popular controls that you can use in your webpages like calendars, accordion controls (that let you open their pleats to see additional pages of contents), sliders, tabs, and many more. The jQuery widgets have a polished, professional looks and jQuery provides them for just about every purpose you can think of in any webpages.

Finally, of course, comes Ajax. jQuery's features are organized into a handful of simple categories: core functionality, selecting, manipulating, traversing, CSS, attributes, events, effects, Ajax, and utilities.

Everything You Need To Know About jQuery
Java is one of the most secured programming platforms. Projects that are made in Java take years to get completed, so you can imagine how big and versatile they are. If you have used the internet, then you must have noticed a term 'JavaScript'. If yes, then I want to ask that, do you know anything about jQuery? If not, then I would like to tell you that jQuery is a JavaScript library, which is full of tools that are ready to be used - which clearly indicates that it is a pre-written JavaScript, ready to put to work in the webpages. Let me give you a detailed information about the jQuery and what makes it so popular among the IT people.

If you want to select the elements in a web page, then you can do it easily by using the jQuery instead any JavaScript Library. You can easily see how to create a wrapped set or sets of elements in the jQuery. This will allow you to handle multiple elements together at the same time. You will also get to see the manipulation of the wrapped set of elements, which is done by changing the appearance, visibility, style, text and even the HTML coding. I would also like to mention that the jQuery comes with a powerful and utility functions that will let you determine the type of browser the user is using and what kind of capabilities it possesses.

You will find a number of utility functions in the jQuery, which is a phenomenal feature. That's not it, there are several other features of jQuery as well. When it comes to visual effects, there is no other platform better than the jQuery because it has like-looking wipes, which will wipe a layer of color over the elements and fades. This will fade away the element and its background from the view of the user. There are many things you can do with such kind of effects. The front end development was quite subtle until jQuery arrived into the picture. After the inception of jQuery, the world of front end development was changed for good.

The simple syntax of the jQuery has made the complicated tasks a thing to enjoy for the developers. This platform has become the number one choice of all the developers, because it has simplified things for them. People who started using the library must have found the rich and interactive experience in their projects. Starting the development process is easy, but as the website goes to its completion, things start to become difficult. You may not know that it can take years to fully appreciate the width and depth of the jQuery library. Without any doubt in my mind, I can say that the jQuery library is full of features that you might have never seen before in your life, but have always wished to have.

So, you must study this amazing programming because it can really turn the fortunes for you. Many companies require professionals who know how to write jQuery, therefore, you can increase your chances of getting a good job, if you know jQuery. There are many training centers that provide jQuery course, so what you can do is, you can go online and search for the top training centers. Every training center has a website, so you can just go through their website and see what they are good at. You can also see the fee structure for all the courses on the website. It is very important to keep yourself updated with the latest developments in the IT field and jQuery is one of them.

Advantages of jQuery Over JavaScript
Both JavaScript and jQuery are client side scripting libraries used for tasks such as validation, building visually appealing elements like fancy navigation menus etc. Since the purpose of both the technologies (jQuery and JavaScript) is the same, the choice of using a particular technology lies with the programmer. In recent years, jQuery is quickly gaining popularity over JavaScript (JavaScript has been around for many more years than JQuery). Let us discuss the possible advantages that jQuery has over JavaScript.

1. jQuery is well compiled and well organized

jQuery has a strong community that does a good job in verifying and listing modules on the official portal. Let us consider for example that a programmer wishes to use 'Date Picker'(Date Picker element is used to select a date from a pop up calendar. Once selected, the date value will be populated in an adjoining text box. This saves the typing time for end users). If the programmer has chosen JQuery, he will quickly download the plugin from the official website. On the other hand, if the same programmer has chosen JavaScript, he will be searching on Google for open source JavaScript codes for 'Date Picker' element. There would be tens or hundreds of results from which he has to choose one. Most Probably, the code he would be using would not have been verified. Hence it becomes clear that jQuery is certainly well organized and well compiled. Consistent solutions are possible with jQuery which may not be possible with JavaScript most of the times.

2. jQuery requires least testing effort

Before being made available to programmers, jQuery components are tested on all popular browsers like Mozilla Firefox, Internet Explorer, Google Chrome etc. Hence the programmers need not test a component on all browsers. Programmers enjoy the leisure of testing on any one of the browsers. However with JavaScript, there is no guarantee that the component will look and behave the same way in all browsers. Hence the programmers using JavaScript need to perform extensive testing on all browsers. The testing could be a tedious effort when the number of JavaScript components used is high.

3. jQuery requires less debugging effort

jQuery functions are modular and very much readable. They are more concise than JavaScript. Being modular and concise makes the debugging of jQuery code a whole lot easier than that of JavaScript.

4. jQuery is updated constantly

jQuery libraries are updated constantly. Whenever web technologies and browsers evolve, there always had been compatibility issues with JavaScript libraries. But this is not the case with JQuery. jQuery libraries are updated constantly to adapt to new changes in web technologies that interact with client side scripts.

The Best Features of JQuery
The new and improved jQuery.

jQuery contains JavaScript code into a whole new level. If you utilize JavaScript you've got probably already heard of jQuery. Great examples are Google maps, Facebook and Twitter.

What makes jQuery?

With jQuery on your side it's going to make JavaScript parts quicker, buy using less code. The favorite feature is the flexibility to make use of less lines of code to create applications.

JavaScript is the creator of jQuery, as jQuery was written in JavaScript. There are two completely different variations of the jQuery code, uncompressed file and the mini file.

Free to Download

JQuery is accessible for download and to use for free. Also available are plug-ins for your library.

Best Options of jQuery

Here are some issues you can do with jQuery. Animation, database requests and slideshows are a few of the results.

Create Animation: You can create sliding results and fading results.

Create a Slideshow: Creating a picture or image slideshow is one of greatest features.

Drop-Downs: The flexibility to create multilevel drop-down menus with animations.

DOM Manipulation: You can add, change the order or take away content on a web page with a simple script.

MySQL Queries: You can send MySQL queries to the database with out the need of reloading the page.

Form Validation: You can use it for your form validation.

Drag and Drop: Creating drag-and-drop interfaces is fun and thrilling to your web site users.


JavaScript has had issues with compatibility with Web browsers but jQuery has a better success rate. JQuery will probably by no means change JavaScript but it'll change into extra useful and become more common with developers.

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