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JQuery is basically a free JavaScript library of usable codes for developers to use instead of reinventing the wheel.
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Developers only need to write fewer codes to make powerful applications that have compatibility with all types of browsers… J Query allows web pages to be fully animated, image effects, users interface elements with Ajax and DOM manipulations.
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There are two versions of JQuery. The uncompressed version is easy to read and write but the file is huge. However, for the minified version all comments , whitespaces and unnecessary characters are removed to bring the file size smaller and is recommended to use as this is faster for users to download the web pages. But its more difficult to read for developers as the comments are taken out.
- a library
- is already build-ed some functionality what we can use into our software
- smallest version
- jQuery is a JavaScript library
- It allows for us to use numerous functions in our projects without having to write everything from scratch
- The uncompressed version is easy to read and study as a developer whereas the minified version is preferable to be used in the website itself as it is faster to download for users.
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Its the word ‘Query’ with the letter j in front of it that represents a virtual library written by I assume more than one developer that allows you to not reinvent the wheel or try to act smart… ‘stupid smart’(or if its your hobby, than not ‘stupid smart’). It makes writting code much faster and gets the job done faster as to you rewriting all the functions by yourself.
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Opes, look at number one.
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One for us newbies to read through and say ’ wtf ’ a couple times before understanding its essence of existence and the second is for people who, like us right now, have walked the path of programming and went throught the ‘wtf’ stages and know what everything does. Oh and it loads faster when you only have 23kb vs 160kb on your web page.
Nice, A little different then the standard answer, but I can read and see that you really understood the lesson. Good job, my friend. 
Ivo
Hey thanks for the reply! It keeps me motivated 
- jQuery is a Javascript library
- It helps to simply our code by using the functions of the library to achieve things that we wanted to do.
- One is with the documentations, easy-to-read version of the same library, the other it’s a minimalist version optimized for user to download smaller version of file.
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jQuery is a JavaScript library.
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It helps us by saving time of not needing to write all the code
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We have two versions because the uncompressed one is good for modifying and reading the code while the minimised one is a smaller size so quicker for the user to load.
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jQuery is a JavaScript library that contains many useful functions used to build and create a website. It includes animation, menu, and stylistic functions.
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jQuery helps developers because you can leverage the free functions already out there. It takes less time and will increase the user experience in less time.
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Uncompressed jQuery is easier to read but can take longer to download. Minified jQuery contains a smaller file size but won’t be easily readable.
Answer:
- jQuery is a free and most popular library for JavaScript developers. It has a wide verity of functionality and can save up to 20 lines of code.
- It saves us time so we can concentrate on the bleeding edge stuff in our development.
- The “Uncompressed” version of jQuery is bigger in size, but it’s easy to read and modify.
The “Minified” is a lighter version with all the functionality but without all unnecessary comments and whitespaces. You can’t read it easily, but because it’s the smaller size, it is made for actual implementation on your website, so the client’s browser downloads it faster.
- jQuery is a free JavaScript library.
- With jQuery we can write powerful JavaScript using fewer lines of code. jQuery automatically deals with cross-browser incompatibilities. It offers nice visual and other special effects.
- The uncompressed version of jQuery is easy to read and modify, but larger in file size. That’s why there is a minified version that has all comments and white space removed. It is harder to read for a human but much faster to download.
Answers
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JQuery is a free library of Javascript that allows us to build quicker and easier webpages and web apps.
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With JQuery we can write powerful JS applications, create some interesting animated effect and access to some web server data without reload the page (using Ajax). It’s also important to build compatible apps between all of the popular browser.
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Uncompressed Js. file contains all of the informations, which make it easier for us to read and modify the functions and the code inside it. Instead, minified Js. file removed all of the unnecessary informations (such as comments, whitespace…). In this way, the file is less heavy and much quicker for visitors to download.
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A free-to-use library of JS functions that you can implement.
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It helps us needing to write less, because so many functions you want have been written before, and are compiled in this library.
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The minified version is exactly the same as the uncompressed version, only all the whitespaces have been removed. This makes it not so readable for humans, but the file is much smaller in size, and therefore faster for the user to load.
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What is jQuery?
jQuery is a free JavaScript library, that you can use to implement more functionality with less code. -
How does it help us as developers?
You can use jQuery to write powerful JavaScript apps using fewer lines of code. You can implement all kind of things like animations, Ajax requests, DOM manipulation, image effects, and user interface elements. Furthermore you have to care less about cross-browser compatibilty of your JavaScript code, because jQuery does. -
Why do we have 2 version of jQuery - minified and uncompressed?
The minified.jsfile has all comments, whitespace, and other unnecessary characters removed from the file, squeezing the whole library. For running jQuery this file is OK since Javascript ignores comments and blanks, but the code of this minified file is not very human readable. Due to its small size a browser can read this file in a very short time.
The uncompressed.jsfile is easy to read and modify, but it’s size is much larger. You will only need this version if you are reviewing the code or doing some modifications to it. Loading this version of the script while browsing a website would take unnecessary longer than loading the minified version.
- jQuery is a library that makes it quicker and easier to build JavaScript websites and web apps. Often with jQuery you can write a single line of code to achieve what would have taken 10-20 lines of regular JavaScript code. jQuery is itself written in JavaScript, and comes in the form of a single
.jsfile that you link to from your websites. Your JavaScript code then accesses the library by calling various jQuery functions. - It help us as developers to write less JavaScript code in our programs. jQuery makes it easy to write powerful JavaScript apps and create eye-catching animated effects.
- The jQuery library actually comes in 2 forms. The uncompressed
.jsfile is easy to read and modify, but it’s around 160kb in size (at the time of writing). The minified.jsfile has all comments, whitespace, and other unnecessary characters removed from the file, squeezing the whole library into a mere 23kb. Although you can’t easily read the code, this is the version you’ll want to place on your site, as it’s much quicker for visitors to download.
- What is jQuery?
- jQuery is a library that makes it quicker and easier to build JavaScript webpages and web apps. jQuery is itself written in JavaScript, and comes in the form of a single .js file that you link to from your webpage. Your JavaScript code then accesses the library by calling various jQuery functions.
- How does it help us as developers?
- Re-use code that is understood by all browsers so that you can develop much quicker.
- Why do we have 2 version of jQuery - minified and uncompressed?
- The minified is much quicker to load as it is more light weight.
The uncompressed library code reads a lot easier because the code is written more structured which may be less efficient but easier to read as a human, and it has comments on the code.
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What is jQuery?
A popular (and powerful) JavaScript Library -
How does it help us as developers?
We can use already proven functionalities and don´t have to program it on our own again. -
Why do we have 2 version of jQuery - minified and uncompressed?
One with all comments, spaces, etc. included so it is easy for us to read and understand, the other minimalist for the productive use for e.g. front end / webpage.
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JQuery is a library that makes it quicker and easier to build JavaScript web pages and web apps, using less code.
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It helps save time and helps us write less code while accomplishing more.
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The minified version is a smaller file size that is less readable to a human, but executes faster in production on a web page for the user.
- What is jQuery?
jQuery is a library of javascript functions that is free and opensource!
- How does it help us as developers?
jQuery helps us developers import codes of text that have already been created, allowing a novice to use in their webpage, similar elements as some of the top web pages.
- Why do we have 2 version of jQuery - minified and uncompressed?
There are 2 versions of jQuery. The first being an uncompressed version that is designed for developers to read the programs and their comments. The second, minified version is the same code without the comments or white space, which makes the whole file much smaller in size.
Its a Java script library, containing lots of useful information for developers.
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Helps to build webpages and apps quicker and easier, using fewer line of code, gives us possibility to creating more effects, animations, making Ajax requests, etc…
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Uncompressed is easy to read and modify, but needs more space.
Minified is removed some characters from the file, so it needs less space(is better to put on a webpage) but is more difficult to read the code.