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

autosize.jquery.json

@@ -7,7 +7,7 @@
 		"textarea",
 		"ui"
 	],
-	"version": "1.16.6",
+	"version": "1.16.7",
 	"author": {
 		"name": "Jack Moore",
 		"url": "http://www.jacklmoore.com",

component.json

@@ -1,6 +1,6 @@
 {
 	"name": "jquery-autosize",
-	"version": "1.16.6",
+	"version": "1.16.7",
 	"main": "./jquery.autosize.js",
 	"dependencies": {
 		"jquery": ">=1.7"

jquery.autosize.js

@@ -1,12 +1,11 @@
-/*
-	jQuery Autosize v1.16.6
+/*!
+	jQuery Autosize v1.16.7
 	(c) 2013 Jack Moore - jacklmoore.com
-	updated: 2013-03-12
+	updated: 2013-03-20
 	license: http://www.opensource.org/licenses/mit-license.php
 */
 
 
-
 (function ($) {
 	var
 	defaults = {
@@ -17,6 +16,7 @@
 	hidden = 'hidden',
 	borderBox = 'border-box',
 	lineHeight = 'lineHeight',
+	supportsScrollHeight,
 
 	// border:0 is unnecessary, but avoids a bug in FireFox on OSX (http://www.jacklmoore.com/autosize#comment-851)
 	copy = '<textarea tabindex="-1" style="position:absolute; top:-999px; left:0; right:auto; bottom:auto; border:0; -moz-box-sizing:content-box; -webkit-box-sizing:content-box; box-sizing:content-box; word-wrap:break-word; height:0 !important; min-height:0 !important; overflow:hidden;"/>',
@@ -53,6 +53,10 @@
 
 		if (mirror.parentNode !== document.body) {
 			$(document.body).append(mirror);
+
+			mirror.value = "\n\n\n";
+			mirror.scrollTop = 9e4;
+			supportsScrollHeight = mirror.scrollHeight === mirror.scrollTop + mirror.clientHeight;
 		}
 
 		return this.each(function () {
@@ -120,10 +124,13 @@
 					// A floor of 0 is needed because IE8 returns a negative value for hidden textareas, raising an error.
 					mirror.style.width = Math.max($ta.width(), 0) + 'px';
 
-					// The following three lines can be replaced with `height = mirror.scrollHeight` when dropping IE7 support.
-					mirror.scrollTop = 0;
-					mirror.scrollTop = 9e4;
-					height = mirror.scrollTop;
+					if (supportsScrollHeight) {
+						height = mirror.scrollHeight;
+					} else { // IE6 & IE7
+						mirror.scrollTop = 0;
+						mirror.scrollTop = 9e4;
+						height = mirror.scrollTop;
+					}
 
 					var maxHeight = parseInt($ta.css('maxHeight'), 10);
 					// Opera returns '-1px' when max-height is set to 'none'.

readme.md

@@ -4,6 +4,9 @@ Small jQuery plugin to allow dynamic resizing of textarea height, so that it gro
 
 ## Changelog
 
+### 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