Animate element to auto height with jQuery

Question

I want to animate a  lt div gt  from 200px to auto height  I can   t seem to make it work though  Does anyone know how   Here   s the code      div first   click function          first   animate       height   auto       1000

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You can make Liquinaut s answer responsive to window size changes by adding a callback that sets the height back to auto       first   animate  height      first   get 0  scrollHeight   1000  function        first   css  height   auto

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This is basically the same approach as the answer by Box9 but I wrapped it in a nice jquery plugin that takes the same arguments as a regular animate  for when you need to have more animated parameters and get tired of repeating the same code over and over     function          fn animateToAutoHeight   function      var curHeight   this css  height          height   this css  height   auto   height          duration   200        easing    swing         callback     noop        parameters     height  height      this css  height   curHeight     for  var i in arguments        switch  typeof arguments i           case  object           parameters   arguments i           parameters height   height          break        case  string           if  arguments i      slow     arguments i      fast   duration   arguments i           else easing   arguments i           break        case  number   duration   arguments i   break        case  function   callback   arguments i   break              this animate parameters  duration  easing  function           this  css  height    auto        callback call this  arguments           return this         jQuery     edit  chainable and cleaner now

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Toggle slide  Box9 s answer expanded    x000D   x000D      click-me   click function     x000D    var el       first    x000D    curHeight   el height    x000D    autoHeight   el css  height    auto   height    x000D    finHeight       first   data  click      1    20px    autoHeight  x000D        first   data  click     this  data  click      1   false   true   x000D    el height curHeight  animate  height  finHeight    x000D      x000D   first  width  100  height  20px overflow hidden   x000D   lt script src  https   ajax googleapis com ajax libs jquery 2 1 1 jquery min js  gt  lt  script gt  x000D   lt div id  first  gt  x000D     lt div id  click-me  gt Lorem ipsum dolor sit amet  consectetur adipiscing elit lt  div gt  x000D    Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium  totam rem aperiam  eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo  Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit  x000D   lt  div gt  x000D   x000D   x000D

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Basically the height auto is only available for you after the element is rendered  If you set a fixed height  or if your element is not displayed you can t access it without any tricks   Luckily there are some tricks you may use   Clone the element  display it outside of the view give it height auto and you can take it from the clone and use it later for the main element  I use this function and seems to work well   jQuery fn animateAuto   function prop  speed  callback       var elem  height  width       return this each function i  el           el   jQuery el   elem      el clone   css   height   auto   width   auto    appendTo  body            height   elem css  height            width   elem css  width            elem remove             if prop      height               el animate   height  height   speed  callback           else if prop      width               el animate   width  width   speed  callback             else if prop      both               el animate   width  width  height  height   speed  callback                  USAGE       animateHeight   bind  click   function e           test   animateAuto  height   1000             animateWidth   bind  click   function e           test   animateAuto  width   1000              animateBoth   bind  click   function e           test   animateAuto  both   1000

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Save the current height   var curHeight       first   height     Temporarily switch the height to auto       first   css  height    auto     Get the auto height   var autoHeight       first   height     Switch back to curHeight and animate to autoHeight       first   height curHeight  animate  height  autoHeight   1000      And together   var el       first        curHeight   el height        autoHeight   el css  height    auto   height    el height curHeight  animate  height  autoHeight   1000

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Here s one that works with BORDER-BOX      Hi guys  Here is a jQuery plugin I wrote to do the same  but also account for the height differences that will occur when you have box-sizing set to border-box    I also included a  yShrinkOut  plugin that hides the element by shrinking it along the y-axis        -------------------------------------------------------------------    Function to show an object by allowing it to grow to the given height value     -------------------------------------------------------------------   fn yGrowIn   function  growTo  duration  whenComplete         var f   whenComplete    function            default function is empty         obj   this          h   growTo     calc      default is to calculate height         bbox    obj css  box-sizing       border-box       check box-sizing         d   duration    200     default duration is 200 ms      obj css  height    0px   removeClass  hidden invisible        var padTop   0   parseInt getComputedStyle obj 0   null  paddingTop      get the starting padding-top         padBottom   0   parseInt getComputedStyle obj 0   null  paddingBottom      get the starting padding-bottom         padLeft   0   parseInt getComputedStyle obj 0   null  paddingLeft      get the starting padding-left         padRight   0   parseInt getComputedStyle obj 0   null  paddingRight      get the starting padding-right     obj css  padding-top    0px   css  padding-bottom    0px       Set the padding to 0          If no height was given  then calculate what the height should be      if h   calc             var p   obj css  position       get the starting object  position  style           obj css  opacity    0       Set the opacity to 0 so the next actions aren t seen          var cssW   obj css  width       auto      get the CSS width if it exists          var w   parseInt getComputedStyle obj 0   null  width    0     calculate the computed inner-width with regard to box-sizing                  bbox   parseInt  getComputedStyle obj 0   null  borderRightWidth    0     0     remove these values if using border-box                  bbox   parseInt  getComputedStyle obj 0   null  borderLeftWidth    0     0     remove these values if using border-box                  bbox    padLeft   padRight    0      remove these values if using border-box          obj css  position    fixed       remove the object from the flow of the document          obj css  width   w      make sure the width remains the same  This prevents content from throwing off the height          obj css  height    auto       set the height to auto for calculation          h   parseInt 0      calculate the auto-height         h    obj 0  clientHeight    calculate the computed height with regard to box-sizing                 bbox   parseInt  getComputedStyle obj 0   null  borderTopWidth    0     0     add these values if using border-box                 bbox   parseInt  getComputedStyle obj 0   null  borderBottomWidth    0     0     add these values if using border-box                 bbox    padTop   padBottom    0      add these values if using border-box          obj css  height    0px   css  position   p  css  opacity   1       reset the height  position  and opacity                 animate the box           Note  the actual duration of the animation will change depending on the box-sizing              e g   the duration will be shorter when using padding and borders in box-sizing because             the animation thread is growing  or shrinking  all three components simultaneously              This can be avoided by retrieving the calculated  duration per pixel  based on the box-sizing type              but it really isn t worth the effort      obj animate    height   h   padding-top   padTop   padding-bottom   padBottom    d   linear    f             -------------------------------------------------------------------    Function to hide an object by shrinking its height to zero     -------------------------------------------------------------------   fn yShrinkOut   function  d whenComplete        var f   whenComplete    function                 obj   this          padTop   0   parseInt getComputedStyle obj 0   null  paddingTop           padBottom   0   parseInt getComputedStyle obj 0   null  paddingBottom           begHeight   0   parseInt obj css  height          obj animate    height    0px    padding-top   0   padding-bottom   0    d   linear   function                  obj addClass  hidden                    css  height   0                   css  padding-top   padTop                   css  padding-bottom   padBottom                f                      Any of the parameters I used can be omitted or set to null in order to accept default values  The parameters I used    growTo  If you want to override all the calculations and set the CSS height to which the object will grow  use this parameter  duration  The duration of the animation  obviously   whenComplete  A function to run when the animation is complete

User · Answer

If all you are wanting is to show and hide say a div  then this code will let you use jQuery animate  You can have jQuery animate the majority of the height you wish or you can trick animate by animating to 0px  jQuery just needs a height set by jQuery to convert it to auto  So the  animate adds the style    to the element that  css height auto  converts   The cleanest way I have seen this work is to animate to around the height you expect  then let it set auto and it can look very seamless when done right  You can even animate past what you expect and it will snap back  Animating to 0px at a duration of 0 just simply drops the element height to its auto height  To the human eye  it looks animated anyway  Enjoy        jQuery  div   animate            height   0px   or height of your choice                     duration  0   or speed of your choice            queue  false            specialEasing                 height   easeInCirc                      complete  function                  jQuery this  css  height  auto                         Sorry I know this is an old post  but I felt this would be relevant to users seeking this functionality still with jQuery who come across this post

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A better solution would not rely on JS to set the height of your element  The following is a solution that animates a fixed height element to full   auto   height   var  selector      div         selector          data  oHeight   selector height             css  height   auto            data  nHeight   selector height             height  selector data  oHeight             animate  height   selector data  nHeight    400     https   gist github com 2023150

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I managed to fix it  D heres the code   var divh   document getElementById  first   offsetHeight      first   css  height    100px       div first   click function           first   animate       height  divh      1000

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Try this one    var height    document  ready function            first   css  height   auto        height       first   height            first   css  height   200px            div first   click function          first   animate       height  height      1000

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I needed this functionality for multiple read more area s on one page implementing this into a Wordpress shortcode I ran into the same problem    Design technically all of the read more span s on the page have a fixed height  And I wanted to be able to expand them separately to an auto height with a toggle  First click   expand to full height of text span   second click   collapse back to default height of 70px   Html    lt span class  read-more  data-base  70  data-height  null  gt          Lots of text determining the height of this span      lt  span gt    lt button data-target  read-more  gt Read more lt  button gt    CSS  span read-more       position relative      display block      overflow hidden      So above this looks very simple the data-base attribute I need to set the fixed height needed  The data-height attribute I used to store the actual  dynamic  height of the element   The jQuery part  jQuery document  ready function          fn clickToggle   function func1  func2          var funcs    func1  func2         this data  toggleclicked   0         this click function               var data     this  data              var tc   data toggleclicked              proxy funcs tc   this               data toggleclicked    tc   1    2                  return this            function setAttr height key              key  each function                var setNormalHeight     this  height                  this  attr  data-height   setNormalHeight                 this  css  height     this  attr  data-base      px                           setAttr height   read-more             data-target    clickToggle function              this  prev   animate  height    this  prev   attr  data-height     200          function              this  prev   animate  height    this  prev   attr  data-base     200                  First I ve used a clickToggle function for my first and second click  The second function is more important  setAttr height   All of the  read-more elements have their actual heights set on page load in the base-height attribute  After that the base height is set through the jquery css function    With both of our attributes set we now can toggle between them in a smooth way  Only chang the data-base to your desired  fixed height and switch the  read-more class for your own ID  You can all see it working in a fiddle FIDDLE     No jQuery UI needed

User · Answer

Your selectors don t seem to match  Does your element have an ID of  first   or is it the first element in every div   A safer solution would be to use  this       assuming the div you want to animate has an ID of first     first   click function         this  animate   height    auto     1000

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I am posting this answer even though this thread is old  I couldn t get the accepted answer to work for me  This one works well and is pretty simple   I load the height of each div I want into the data     div   each function          this  data  height    this  css  height           this  css  height   20px          Then I just use that when animating on click      div   click function          this  css  height    this  data  height           I am using CSS transition  so I don t use the jQuery animate  but you could do animate just the same

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this is working and it is simplier then solutions before   CSS    container    height 143px        max    height  auto    min-height  143px      JS     document  ready function             container   click function                   if   this  hasClass  max                    this  removeClass  max              else                 this  addClass  max                            Note  This solution requires jQuery UI

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you can store it in a data attribute       colapsable   each function          this  attr  data-oheight    this  height           this  height 100            colapsable h2 first-child   click function          this  parent   colapsable   animate               height    this  parent   colapsible   data  oheight             500

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Use slideDown and slideUp     div first   click function        first   slideDown 1000

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You can always wrap the child elements of  first and save height height of the wrapper as a variable  This might not be the prettiest or most efficient answer  but it does the trick   Here s a fiddle where I included a reset   but for your purposes  here s the meat  amp  potatoes     function      wrap everything inside  first     first   children   wrapAll   lt div class  wrapper  gt  lt  div gt       get the height of the wrapper  var expandedHeight       wrapper   height      get the height of first  set to 200px however you choose  var collapsedHeight       first   height      when you click the element of your choice  a button in my case   first will animate to height auto    button   click function            first   animate           height  expandedHeight

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var h   document getElementById  First   scrollHeight      First   animate   height   h  px    300

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IMO this is the cleanest and easiest solution       first   animate  height      first   get 0  scrollHeight   1000      Explanation  The DOM already knows from its initial rendering what size the expanded div will have when set to auto height  This property is stored in the DOM node as scrollHeight  We just have to fetch the DOM Element from the jQuery Element by calling get 0  and then we can access the property   Adding a callback function to set the height to auto allows for greater responsiveness once the animation is complete  credit chris-williams        first   animate       height      first   get 0  scrollHeight    1000  function          this  height  auto

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I put together something that does exactly what I was looking for and looks great   Using the scrollHeight of an element gets you the height of when it was loaded in the DOM    x000D   x000D   var clickers   document querySelectorAll   clicker    x000D      clickers forEach clicker   gt    x000D          clicker addEventListener  click   function  e    x000D              var node   e target parentNode childNodes 5   x000D              if  node style height     0px     node style height          x000D                    node  animate   height  node scrollHeight     x000D                x000D              else   x000D                    node  animate   height  0     x000D                x000D              x000D          x000D   answer  x000D          font-size 15px  x000D          color blue  x000D          height 0px  x000D          overflow hidden  x000D          x000D        x000D    lt div class  row  style  padding-top 20px   gt  x000D                   lt div class  row  style  border-color black border-style solid border-radius 4px border-width 4px   gt  x000D                       lt h1 gt This is an animation tester  lt  h1 gt  x000D                       lt span class  clicker  gt click me lt  span gt  x000D                       lt p class  answer  gt  x000D                          I will be using this to display FAQ s on a website and figure you would like this   The javascript will allow this to work on all of the FAQ divs made by my razor code   the Scrollheight is the height of the answer element on the DOM load   Happy Coding    x000D                           Lorem ipsum dolor sit amet  mea an quis vidit autem  No mea vide inani efficiantur  mollis admodum accusata id has  eam dolore nemore eu  Mutat partiendo ea usu  pri duis vulputate eu  Vis mazim noluisse oportere id  Cum porro labore in  est accumsan euripidis scripserit ei  Albucius scaevola elaboraret usu eu  Ad sed vivendo persecuti  harum movet instructior eam ei  x000D                       lt  p gt  x000D                   lt  div gt  x000D               lt  div gt  x000D               lt script src  https   ajax googleapis com ajax libs jquery 3 4 1 jquery min js  gt  lt  script gt  x000D   x000D   x000D

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you can always do this    jQuery fn animateAuto   function prop  speed  callback   var elem  height  width  return this each function i  el       el   jQuery el   elem   el clone   css   height   auto   width   auto    appendTo  body        height   elem css  height        width   elem css  width        elem remove         if prop      height           el animate   height  height   speed  callback       else if prop      width           el animate   width  width   speed  callback         else if prop      both           el animate   width  width  height  height   speed  callback             here is a fiddle  http   jsfiddle net Zuriel faE9w 2

[javascript] Animate element to auto height with jQuery

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