About Zoom

A small jQuery plugin for zooming images on mouseover or mousedown. See the project page for documentation and a demonstration. Released under the MIT license.

To compile the .min.js file, run: uglifyjs --comments '/license:/' < jquery.zoom.js > jquery.zoom.min.js

Changelog:

v1.7.21 - 2018/4/26

• Added empty alt attribute. Resolves #134

v1.7.20 - 2017/4/25

• Replaced alt and aria-hidden with role attribute. Resolves #121

v1.7.19 - 2017/4/20

• Added alt and aria-hidden attributes to the zoom layer img element. Merged #121

v1.7.18 - 2016/9/9

• Fixed regression from 1.7.16 that occurred when the target option was passed a selector. Fixes #113

v1.7.17 - 2016/9/7

• Detect src using element.currentSrc to support srcset. Fixes #82

v1.7.16 - 2016/9/7

• Cancelled the onload event when calling destroy. Fixes #83

v1.7.15 - 2016/2/8

• Added touchend event, might fix #97 #75 #62. Merges #100.

v1.7.14 - 2015/3/18

• Fixes bug with passing the target property a selector, rather than a DOM node. Merges #73.

v1.7.13 - 2014/4/29

• Destroy event does a better job of reseting back to the original state.

v1.7.12 - 2014/2/11

• Set zoomed image's maxHeight to none, just in case a maxHeight has been defined for images in the CSS.

v1.7.11 - 2013/11/12

• Added magnify property to allow scaling of the zoomed image.

v1.7.10 - 2013/10/16

• Fixed bug relating to the size of the target element when using the target property (Fixes #35)

v1.7.9 - 2013/10/16

• Added simple fallback for touch events (Fixes #37 #39)
• Renamed minified file to jquery.zoom.min.js to match jQuery's convention.

v1.7.8 - 2013/7/30

• Will use data-src attribute if present before checking for the presence of an src attribute.

v1.7.7 - 2013/7/14

• Restricted grab to just the left-mouse-button on mousedown

v1.7.6 - 2013/6/24

• Fixed misnamed onZoomOut callback

v1.7.5 - 2013/6/19

• Fixed a bug with absolutely or fixed position target elements
• Set the value of this to be zoom-image element for the onZoomIn and onZoomOut callbacks

v1.7.4 - 2013/6/18

• Namespaced events to assist unbinding events.
• Added destroy event to unbind zoom events & remove created img element. Example: $('.example').trigger('zoom.destroy');
• Added onZoomIn and onZoomOut callbacks

v1.7.3 - 2013/6/10

• Fixing mistake made in previous commit

v1.7.2 - 2013/6/6

• Replaced new Image() with document.createElement('img') to avoid a potential bug in Chrome 27.

v1.7.1 - 2013/3/12

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

v1.7.0 - 2013/1/31

• Added 'toggle' behavior to zoom in/out on click. Example: $('#example').zoom({ on:'toggle' });
• Removed the icon property in favor of just using CSS.

v1.6.0 - 2013/1/22

• Created $.zoom which contains the positioning logic, so that users can write custom controls or event handling.

v1.5.0 - 2012/11/19

• Added 'target' property for specifying the element that displays the zoomed image.

v1.4.0 - 2012/9/29

• Changed API & added option to activate on click.

v1.3.0 - 2011/12/21

• Added 'callback' property that will execute a callback function once the image has loaded.
• Fixed a bug relating to the 'grab' property

v1.2.0 - 2011/11/15

• Fixed a positioning bug

v1.1.0 - 2011/11/15

• Added 'grab' property

v1.0.0 - 2011/11/11

• First release