Tools to selectively Copy HTML CSS JS From A Specific Element of DOM

Question

Like most web developers  I occasionally like to look at the source of websites to see how their markup is built  Tools like Firebug and Chrome Developer Tools make it easy to inspect the code  but if I want to copy a specific section and play around with it locally  it would be a pain to copy all the individual elements and their associated CSS  And probably just as much work to save the entire source and cut out the unrelated code  It would be great if I could right-click a Element in Firebug and have a  quot Save HTML CSS JS for this Element quot  option  Does such a tool exist  Is it possible to extend Firebug or Chrome Developer Tools to add this feature

User · Answer

A tool with a single solution for this I'm unaware of, but you can use Firebug and Web Developer extension at the same time.

Use Firebug to copy the html section you need (Inspect Element) and Web Developer to see which css is associated with an element (Calling Web Developer "View Style Information" - it works like Firebug's "Inspect Element", but instead of showing the html markup it shows the associated CSS with that markup).

It's not exactly what you want (one click for everything), but it's pretty close, and at least intuitive.

'View Style Information' result from Web Developer Extension

User · Answer

I gone through all the tools mentioned as answer here  But they give repeated  dirty HTML CSS with beautiful face you were staring up on  They don t give you JS   What I do    First I filter ads which are not require on the page Then   save complete webpage along with linking resources  Remove unnecessary HTML  CSS and JS keep unlinking resources one-by-one carefully

User · Answer

Lately I created a chrome extension  eXtract Snippet  for copying the inspected element  html and only the relevant css and media queries from a page  Note that this would give you the actual relevant CSS   https   chrome google com webstore detail extract-snippet bfcjfegkgdoomgmofhcidoiampnpbdao hl en

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I ve adapted the top voted answer as a dragabble bookmarklet   Just visit this page and drag the  Run jQuery Code  button to your bookmark bar

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divclip is an updated  version of Florentin Sardan s htmlclipper  with modern enhancements  ES5  HTML5  scoped CSS     you can programmatically extract a stylized div with   var html   require  divclip   bySel   article-body    console log html     Enjoy

User · Answer

I also need this feature on Firebug   Until then  another approach is to use this online service to remove classes and convert the css to inline styles

User · Answer

SnappySnippet  I finally found some time to create this tool  You can install SnappySnippet from Github  It allows easy HTML CSS extraction from the specified  last inspected  DOM node  Additionally  you can send your code straight to CodePen or JSFiddle  Enjoy     Other features   cleans up HTML  removing unnecessary attributes  fixing indentation  optimizes CSS to make it readable fully configurable  all filters can be turned off  works with   before and   after pseudo-elements nice UI thanks to Bootstrap  amp  Flat-UI projects   Code  SnappySnippet is open source  and you can find the code on GitHub   Implementation  Since I ve learned quite a lot while making this  I ve decided to share some of the problems I ve experienced and my solutions to them  maybe someone will find it interesting   First attempt - getMatchedCSSRules    At first I ve tried retrieving the original CSS rules  coming from CSS files on the website   Quite amazingly  this is very simple thanks to window getMatchedCSSRules    however  it didn t work out well  The problem was that we were taking only a part of the HTML and CSS selectors that were matching in the context of the whole document  which were not matching anymore in the context of an HTML snippet  Since parsing and modifying selectors didn t seem like a good idea  I gave up on this attempt   Second attempt - getComputedStyle    Then  I ve started from something that  CollectiveCognition suggested - getComputedStyle    However  I really wanted to separate CSS form HTML instead of inlining all styles   Problem 1 - separating CSS from HTML  The solution here wasn t very beautiful but quite straightforward  I ve assigned IDs to all nodes in the selected subtree and used that ID to create appropriate CSS rules   Problem 2 - removing properties with default values  Assigning IDs to the nodes worked out nicely  however I found out that each of my CSS rules has  300 properties making the whole CSS unreadable  Turns out that getComputedStyle   returns all possible CSS properties and values calculated for the given element  Some of them where empty  some had  browser default values  To remove default values I had to get them from the browser first  and each tag has different default values   The solution was to compare the styles of the element coming from the website with the same element inserted into an empty  lt iframe gt   The logic here was that there are no style sheets in an empty  lt iframe gt   so each element I ve appended there had only default browser styles  This way I was able to get rid of most of the properties that were insignificant   Problem 3 - keeping only shorthand properties  Next thing I have spotted was that properties having shorthand equivalent were unnecessarily printed out  e g  there was border  solid black 1px and then border-color  black   border-width  1px itd    To solve this I ve simply created a list of properties that have shorthand equivalents and filtered them out from the results   Problem 4 - removing prefixed properties  The number of properties in each rule was significantly lower after the previous operation  but I ve found that I sill had a lot of -webkit- prefixed properties that I ve never hear of  -webkit-app-region  -webkit-text-emphasis-position    I was wondering if I should keep any of these properties because some of them seemed useful  -webkit-transform-origin  -webkit-perspective-origin etc    I haven t figured out how to verify this  though  and since I knew that most of the time these properties are just garbage  I decided to remove them all   Problem 5 - combining same CSS rules  The next problem I have spotted was that the same CSS rules are repeated over and over  e g  for each  lt li gt  with the exact same styles there was the same rule in the CSS output created   This was just a matter of comparing rules with each other and combining these that had exactly the same set of properties and values  As a result  instead of  LI 1        LI 2      I got  LI 1   LI 2         Problem 6 - cleaning up and fixing indentation of HTML  Since I was happy with the result  I moved to HTML  It looked like a mess  mostly because the outerHTML property keeps it formatted exactly as it was returned from the server  The only thing HTML code taken from outerHTML needed was a simple code reformatting  Since it s something available in every IDE  I was sure that there is a JavaScript library that does exactly that  And it turns out that I was right  jquery-clean   What s more  I ve got unnecessary attributes removal extra  style  data-ng-repeat etc     Problem 7 - filters breaking CSS  Since there is a chance that in some circumstances filters mentioned above may break CSS in the snippet  I ve made all of them optional  You can disable them from the Settings menu

User · Answer

This can be done by Firebug Plugin called scrapbook   You can check Javascript option in setting    Edit   This can also help      Firequark is an extension to Firebug   to aid the process of HTML Screen   Scraping  Firequark automatically   extracts css selector for a single or   multiple html node s  from a web page   using Firebug  a web development   plugin for Firefox   The css selector   generated can be given as an input to   html screen scrapers like Scrapi to   extract information  Firequark is   built to unleash the power of css   selector for use of html screen   scraping

User · Answer

Webkit browsers  not sure about FireBug  allow you to copy the HTML of an element easily  so that s one part of the process out of the way   Running this  in the javascript console  prior to copying the HTML for an element will move all the computed styles for the parent element given  as well as all child elements  into the inline style attribute which will then be available as part of the HTML   var el   document querySelector   someid    var els   el getElementsByTagName        for var i   -1  l   els length    i  lt  l         els i  setAttribute  style   window getComputedStyle els i   cssText        It s a total hack and you ll have alot of  junk  css attributes to wade through  but should at least get your started

User · Answer

Just copy the part you want from the webpage and paste it in the wysiwyg editor  Check the html source by clicking on the  source  button on the editor toolbar   I ve found this most easiest way when I was working on a Drupal site  I use wysiwyg CKeditor

User · Answer

http   clipboardjs com does this and quite well  Although your expectation of the copied version being exactly as in the original so you can play and learn with it  may not be realistic

User · Answer

There is a firefox plugin that saves the whole page s HTML  CSS  etc   but I have not seen one that does a partial save   I remember IE 5 5 had what you were looking for though

User · Answer

I ve created this tool years ago for the same purpose  http   www betterprogramming com htmlclipper html  You re welcome to use and improve upon it

User · Answer

I originally asked this question I was looking for a Chrome  or FireFox  solution  but I stumbled across this feature in Internet Explorer developer tools  Pretty much what I m looking for  except for the javascript     Result

User · Answer

There is no plugins needed  It can be done very simply with Internet Explorer 11 native Developer Tools with just one click  very clean  Just right on an element and inspect that element  and right click on some block and choose  Copy element with styles   You can see it in the below image   It provides the css code very clean  like    menu        margin  0     menu li       list-style  none

User · Answer

jQuery fn extend   getStyles  function         var rulesUsed           var sheets   document styleSheets      for  var c   0  c  lt  sheets length  c              var rules   sheets c  rules    sheets c  cssRules          for  var r   0  r  lt  rules length  r                  var selectorText   rules r  selectorText toLowerCase   replace   hover                   if  this is selectorText     this find selectorText  length  gt  0                    rulesUsed push rules r                                      var style   rulesUsed map function cssRule            return cssRule selectorText toLowerCase             cssRule style cssText toLowerCase                  join   n        return style             usage     login wrapper   getStyles

[html] Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM

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