Jquery & java script cross browser implment

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I read about jquery and JavaScript and I was asking my self the next question:
What is it about jquery that turns it to be a cross browser while java-script is not?

Can someone please explain to me what turns Jquery to be cross browser language and why JavaScript isn't?

It means that every code that i write with jquery should be supported in all browsers? including internet explorer 6-7-8?

Include all Jquery plugins?
Please explain.

Posted 16-Feb-13 10:47am

eran11

Updated 17-Feb-13 7:58am

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Sergey Alexandrovich Kryukov 16-Feb-13 19:28pm

There is no such thing as "Java script"! And jQuery is no a language. The question makes no sense.
—SA

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**Zoltán Zörgő** · Answer 1 · 2013-02-16T10:52:00

First of all, jquery is not a language. Jquery is a javascript library, meant to ease your life - so you don't have to deal with things like cross-browser issues.
The people writing jquery wrote javascript code that handles the differences between browsers. But even jquery isn't supposed to support oldest versions... but it does. Check here: http://jquery.com/browser-support/?rdfrom=http%3A%2F%2Fdocs.jquery.com%2Fmw%2Findex.php%3Ftitle%3DBrowser_Compatibility%26redirect%3Dno[^]
Be aware, that not all plugins are written with the same precaution as the main stream.

BrianHamilton · Answer 2 · 2013-02-17T09:10:00

JQuery is indeed a JavaScript library but does not offer cast-iron guarantees to cater for cross-browser issues. It depends on the browser(s) you wish to use your code on and what exactly you are using JQuery to achieve.

There are other libraries which may help, but again it depends on what you are trying to do.

You will need a knowledge of JavaScript if you intend to use JQuery for anything but the most basic of tasks. I would recommend "JavaScript The Definitive Guide" by David Flanagan if you want to master JavaScript. He also touches on JQuery.

People mixing up the terms Java and JavaScript is not unheard of. JavaScript was originally called LiveScript but was renamed due to the popularity of Java.

Jquery & java script cross browser implment

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