jQuery plugin for dynamic textarea sizing
JavaScript
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autosize.jquery.json
component.json
demo.html
jquery.autosize-min.js
jquery.autosize.js
readme.md

readme.md

Autosize

Small jQuery plugin to allow dynamic resizing of textarea height, so that it grows as based on visitor input. To use, just call the .autosize() method on any textarea element. Example $('textarea').autosize();. See the project page for documentation, caveats, and a demonstration. Released under the MIT license.

Changelog

v1.16.17 - 2013/6/12

  • Fixed a compatability issue with jQuery versions before 1.9 introduced in the previous update.

v1.16.16 - 2013/6/11

  • Fixed an issue where the calculated height might be slightly off in modern browsers when the width of the textarea has a subpixel value.

v1.16.15 - 2013/6/7

  • Reduced how frequently autosize is triggered when resizing the window. Added resizeDelay property so that the frequency can be adjusted or disabled.

v1.16.14 - 2013/6/6

  • Fixed an issue with autosize working poorly if the mirror element has a transition applied to it's width.

v1.16.13 - 2013/6/4

  • Fixed a Chrome cursor position issue introduced with the reflow workaround added in 1.16.10.

v1.16.12 - 2013/5/31

  • Much better efficiency and smoothness for IE8 and lower.

v1.16.11 - 2013/5/31

  • Fixed a default height issue in IE8 and lower.

v1.16.10 - 2013/5/30

  • Dropped scrollHeight for scrollTop. This fixed a height problem relating to padding. (Fixes #70)
  • Re-added workaround to get Chrome to reflow text after hiding overflow.

v1.16.9 - 2013/5/20

  • Reverted change from 1.16.8 as it caused an issue in IE8. (Fixes #69)

v1.16.8 - 2013/5/7

  • Fixed issue where autosize was creating a horizontal scrollbar for a user

v1.16.7 - 2013/3/20

  • Added workaround for a very edge-case iOS bug (Fixes #58).

v1.16.6 - 2013/3/12

  • Replaced jQuery shorthand methods with on() in anticipation of jQuery 2.0 conditional builds

v1.16.5 - 2013/3/12

  • Fixed a bug where triggering the autosize event immediately after assigning autosize had no effect.

v1.16.4 - 2013/1/29

  • Fixed a conflict with direction:ltr pages.

v1.16.3 - 2013/1/23

  • Added minified file back to repository

v1.16.2 - 2013/1/20

  • Minor box-sizing issue dealing with min-heights.

v1.16.1 - 2013/1/20

  • Added to plugins.jquery.com

v1.15 - 2012/11/16

  • Reworked to only create a single mirror element, instead of one for each textarea.
  • Dropped feature detection for FF3 and Safari 4.

v1.14 - 2012/10/6

  • Added 'append' option for appending whitespace to the end of the height calculation (an extra newline improves the apperance when animating).
  • Added a demonstration of animating the height change using a CSS transition.

v1.13 - 2012/9/21

  • Added optional callback that fires after resize.

v1.12 - 2012/9/3

  • Fixed a bug I introduced in the last update.

v1.11 - 2012/8/8

  • Added workaround to get Chrome to reflow default text better.

v1.10 - 2012/4/30

  • Added 'lineHeight' to the list of styles considered for size detection.

v1.9 - 2012/6/19

  • Added 'textIndent' to the list of styles considered for size detection.
  • Added vender prefixes to box-sizing detection

v1.8 - 2012/6/7

  • Added conditional so that autosize cannot be applied twice to the same element
  • When autosize is applied to an element, it will have a data property that links it to the mirrored textarea element. This will make it easier to keep track of and remove unneeded mirror elements. Example:

    $('textarea.example').data('mirror').remove(); // delete the mirror

    $('textarea.example').remove(); // delete the original

v1.7 - 2012/5/3

  • Now supports box-sizing:border-box

v1.6 - 2012/2/11

  • added binding to allow autosize to be triggered manually. Example: $('#myTextArea').trigger('autosize');

v1.5 - 2011/12/7

  • fixed a regression in detecting FireFox support

v1.4 - 2011/11/22

  • added branching to exclude old browsers (FF3- & Safari4-)

v1.3 - 2011/11/13

  • fixed a regression in 1.1 relating to Opera.

v1.2 - 2011/11/10

  • fixed a regression in 1.1 that broke autosize for IE9.

v1.1 - 2011/11/10

  • autosize now follows the max-height of textareas. OverflowY will be set to scroll once the content height exceeds max-height.

v1.0 - 2011/11/7

  • first release