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AJAX is Asynchronous JavaScript and XML. It comprises a set of web development methods that are used to create web applications. Great Learning provides you an opportunity to learn Ajax certificate courses for free.
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Learn Ajax From The Scratch
Ajax stands for Asynchronous JavaScript and XML. It is not a programming language. It is a web development technique that uses different web technologies on the client-side to create asynchronous web applications. Web applications can send and retrieve information from the server asynchronously in the background with Ajax. It does not interfere with the display and behavior of the pre-existing page. Ajax allows web pages by decoupling the data interchange layer from the presentation layer, extension, web applications, to make changes in the content dynamically without the necessity to reload the entire page. Currently, day-to-day implementations use JSON instead of XML in practice.
Ajax is more a programming concept rather than a technology. In addition, styling and markup of information are achieved through HTML and CSS. Webpages are modified by Javascript to display dynamically. It makes way for the users to interact with the recent data. The built-in XMLHttpRequest object helps execute Ajax on the web pages. This way, it will enable the websites to load content to the screen without the need to refresh the page. Ajax is neither a new technology nor a new language. It is an existing technology that is used according to changing requirements in the technology.
Ajax represents a broad group that implements a web application to communicate with the server in the background. It does not interfere with the current state of the page. The incorporated technologies in Ajax are:
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HTML or XHTML and CSS to display web pages
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The document object model to display and interact with the data
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JSON and XML to interchange the data. XSLT to manipulate XML data
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The XMLHttpRequest object to communicate asynchronously
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JavaScript brings all these technologies together
There have been developments in the technologies used in Ajax applications ever since. That includes the definition of team Ajax itself. XML is not needed to interchange data since newer technologies like Ajax have taken over, hence removing the need for XSLT to manipulate the data. JavaScript Object Notation (JSON) is generally used as an alternative format to interchange data. There are other formats such as HTML or plain text that can also be used. JQuery and a variety of other popular JavaScript libraries include abstractions in executing Ajax requests.
Ajax comprises a set of web development techniques that are used to create web applications. The free Ajax certificate course offered by Great Learning will take you through the definition, working, compatibilities, and technologies incorporated with Ajax. This course is designed carefully to help individuals understand the concepts thoroughly. You can also learn JavaScript and XML to understand Ajax better. You will gain a certificate for Ajax after successful completion of the course. Happy Learning!
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Frequently Asked Questions
What does AJAX Mean?
Ajax is Asynchronous JavaScript and XML. It comprises a set of web development techniques that are used to create web applications. The XMLHttpRequest object communicates with the servers in a nutshell. It is capable of sending and receiving information in many formats, including JSON, XML, HTML, and text files.
Is AJAX a JavaScript or jQuery library?
Ajax is a combined JavaScript and XML language tool. It is not a programming language. jQuery is a JavaScript library used to simplify common web tasks. It is part of JavaScript and hence Ajax.
Why do we use AJAX?
Ajax is used to make asynchronous calls to a web server. The client browser can avoid waiting for all the required data to arrive before the user can act once more. The prime purpose of using Ajax is to improve the performance, speed, and usability of the web application.
Is AJAX frontend or backend?
Ajax is an efficient front-end development technique. The Ajax code is written in JavaScript to communicate with the backend.
Are AJAX and jQuery the same?
Ajax is a tool combined with JavaScript and XML languages. jQuery is JavaScript’s library used to simplify common web tasks. jQuery is a part of Ajax’s programming.
Is AJAX difficult to learn?
No, learning Ajax is not hard, but its implementation is a bit confusing since it uses many technologies. You will need to have knowledge of each of the technologies before you work with them.
How do I learn Ajax?
Ajax is a tool that is designed in the combination of JavaScript and XML languages. So to learn Ajax, you must first be aware of these languages. Apart from these two, Ajax also uses other technologies.
How long does it take to learn AJAX?
Learning Ajax will not take much of your time since it is a set of different techniques. You can learn Ajax in an hour or two since it does not involve any programming language. You can work on complex applications in a day or two.
Should I learn PHP before AJAX?
Ajax deals with websites. PHP is a tool that builds websites. So if you intend to use Ajax, then learning PHP is a must. PHP will give you a better hand while working with Ajax.
Will I get a certificate after completing these free Ajax courses?
Yes, you will get a certificate of completion for Ajax courses after completing all the modules and cracking the assessment. The assessment tests your knowledge of the subject and badges your skills.
How much do these Ajax courses cost?
It is the entirely free courses list from Great Learning Academy. Anyone interested in learning the basics of Ajax can get started with these courses.
Is there any limit on how many times I can take these free courses?
Once you enroll in the Ajax courses, you have lifetime access to it. So, you can log in anytime and learn it for free online.
Can I sign up for multiple courses from Great Learning Academy at the same time?
Yes, you can enroll in as many courses as you want from Great Learning Academy. There is no limit to the number of courses you can enroll in at once, but since the courses offered by Great Learning Academy are free, we suggest you learn one by one to get the best out of the subject.
Why choose Great Learning Academy for these Ajax courses?
Great Learning Academy provides these Ajax courses for free online. The courses are self-paced and help you understand various topics that fall under the subject with solved problems and demonstrated examples. The courses are carefully designed, keeping in mind to cater to both beginners and professionals, and are delivered by subject experts. Great Learning is a global ed-tech platform dedicated to developing competent professionals. Great Learning Academy is an initiative by Great Learning that offers in-demand free online courses to help people advance in their jobs. More than 5 million learners from 140 countries have benefited from Great Learning Academy's free online courses with certificates. It is a one-stop place for all of a learner's goals.
What are the steps to enroll in these Ajax courses?
Enrolling in any of the Great Learning Academy’s courses is just a one step process. Sign-up for the courses, you are interested in learning through your E-mail ID and start learning them for free online.
Will I have lifetime access to these free Ajax courses?
Yes, once you enroll in the courses, you will have lifetime access, where you can log in and learn whenever you want to.
