What s the difference between jquery js and jquery min js

Question

What is the difference between jquery min js and jquery js   Which one has support for all functions

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summary - popular js frameworks like jquery or dojo offer one commented, pretty formatted version with comments for DEVELOPMENT and a minified version (quicker) without comments etc. for PRODUCTION

jquery.js - development jquery.min.js - production

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jquery js   Pretty and easy to read    Read this one  jquery min js   Looks like jibberish   But has a smaller file size   Put this one on your site    Both are the same in functionality   The difference is only in whether it s formatted nicely for readability or compactly for smaller file size   Specifically  the second one is minified  a process which involves removing unnecessary whitespace and shortening variable names   Both contribute to making the code much harder to read  the removal of whitespace removes line breaks and spaces messing up the formatting  and the shortening of variable names  including some function names  replaces the original variable names with meaningless letters   All this is done in such a way that it doesn t affect the way the code behaves when run  in any way   Notably  the replacement shortening of variable and function names is only done to names that appear in a local scope where it won t interfere with any other code in other scripts

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Jquery min js is nothing else but compressed version of jquery js  You can use it the same way as jquery js  but it s smaller  so in production you should use minified version and when you re debugging you can use normal jquery js version  If you want to compress your own javascript file you can these compressors    http   developer yahoo com yui compressor  http   code google com intl pl-PL closure compiler  http   jscompress com    Or just read topis on StackOverflow about js compression        Best JavaScript compressor What do you use to minimize and compress JavaScript libraries

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Both contain the same functionality but the  min js equivalent has been optimized in size  You can open both files and take a look at them  In the  min js file you ll notice that all variables names have been reduced to short names and that most whitespace  amp  comments have been taken out

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They are both the same functionally but the  min one has all unnecessary characters removed in order to make the file size smaller   Just to point out as well  you are better using the minified version   min  for your live environment as Google are now checking on page loading times  Having all your JS file minified means they will load faster and will score you more brownie points   You can get an addon for Mozilla called Page Speed that will look through your site and show you all the  JS files and provide minified versions  amongst other things

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Both support the same functions  jquery min js is a compressed version of jquery js  whitespaces and comments stripped out  shorter variable names       in order to preserve bandwidth  In terms of functionality they are absolutely the same  It is recommended to use this compressed version in production environment

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jquery js  when you have to dive into jquery s source code jquery min js  compressed version for saving bandwidth  There is one more option for saving more bandwidth then the compressed version which is using something like Google CDN provided  http   ajax googleapis com ajax libs jquery 1 4 2 jquery min js

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If you   re running JQuery on a production site  which library should you load  JQuery js or JQuery min js  The short answer is  they are essentially the same  with the same functionality   One version is long  while the other is the minified version  The minified is compressed to save space and page load time  White spaces have been removed in the minified version making them jibberish and impossible to read   If you   re going to run the JQuery library on a production site  I recommend that you use the minified version  to decrease page load time  which Google now considers in their page ranking   Another good option is to use Google   s online javascript library  This will save you the hassle of downloading the library  as well as uploading to your site  In addition  your site also does not use resources when JQuery is loaded   The latest JQuery minified version from Google is available here   You can link to it in your pages using     http   ulyssesonline com 2010 12 03 jquery-js-or-jquery-min-js

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jquery min is compress version  It s removed comments  new lines

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In easy language  both versions are absolutely the same  Only difference is    min js is for websites  online   js is for developers  guys who needs to read  learn about or and understand jquery codes  for ie plugin development  offline  local work

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If you use use the Jquery from Google CDN  seriously it will improve the performance by 5 to 10 times the one which you add into your page  which gets downloaded  And also  you will get the latest version of the Jquery files   The difference between both files i e  jquery js and jquery min js is just the file size  due to this the files are getting downloaded faster

[jquery] What's the difference between jquery.js and jquery.min.js?

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