jQuery 1.9 and 2.0Present and Future

Richard D. WorthExecutive Director, jQuery Foundation

@rworth richard@jquery.com

jQuery UK - Oxford April 19 2013

write less, do more

Scope

DOM Manipulation

DOM ManipulationEvents

DOM ManipulationEventsE�ects

DOM ManipulationEventsE�ectsAjax

DOM ManipulationEventsE�ectsAjax

LessMore

LessMoreStu�

LessMoreStu� plugins

LessMoreStu�UI controls

plugins

LessMoreStu�UI controls

pluginsjQuery UI

LessMoreStu�UI controlsTouch

pluginsjQuery UI

LessMoreStu�UI controlsTouch

pluginsjQuery UI

jQuery Mobile

Stu�UI controlsTouch

LessMoreStu�UI controlsTouchMVC

pluginsjQuery UI

jQuery Mobile

Stu�UI controlsTouch

LessMoreStu�UI controlsTouchMVC

pluginsjQuery UI

jQuery MobileBackbone, etc.

Stu�UI controlsTouchMVC

pluginsjQuery UI

jQuery Mobile

jQuery 1.8 orearlier versions?

1.9 Upgrade Guide

Migrate Plugin

github.com/jquery/jquery-migrate

<script src="jquery.js"></script><script src="jquery-migrate.js"></script>

Migrate Plugin Example

trends.builtwith.com

W3Techs

56.7%all web sites

61.3%top 10,000 sites

91.2%sites with JavaScript

9 out of 10web developers

use jQuery

9 out of 10web developers

use jQuery

jQuery 2.0Final

blog.jquery.com

Available now onthe jQuery CDN

code.jquery.com

<script src="jquery.js"></script><script src="jquery-migrate.js"></script>

Google andMicrosoft CDNs

soon

3 Features2 Promises1 Invitation

Feature#1

jQuery 2.0drops support for

IE 6, 7, 8

This is NOT

YMMV

All code tomake jQuery work

in IE 6, 7, 8 wasREMOVED from 2.0

12%smaller

“CompatabilityView” modes

X-UA-Compatibletag or HTTP header

Header isrecommended

Feature#2

jQuery 2.0 isdeigned for

the modern web

jQuery 2.0 isdeigned for

the modern web

Compatibility codefor Old IE caused

issues in someenvironments

Perfect 2.0 Environments• Google Chrome add-ons• Mozilla XUL apps, Firefox ext.• Firefox OS apps• Chrome OS apps• Windows 8 Store (”Modern/Metro UI”) apps

Perfect 2.0 Environments• BlackBerry 10 WebWorks apps• PhoneGap/Cordova apps• Apple UIWebView Class• Microsoft WebBrowser Control• node.js (combined with jsdom or similar)

Modern Environments• Are themselves a work in progress• Have a unique set of rules or restrictions• Are different from typical jQuery env. - web browser

Modern Environments• We aren’t able to test regularly in all these non-browser scenarioes• We’d like to hear about your experiences in using them

Feature#3

12 optionallyexcludable

modules

• Ajax• CSS• Dimensions• Effects

Some Modules• Offset• Wrap• Sizzle• ...

• Ajax• CSS• Dimensions• Effects

DOM Manip. &Selecting

The core ofjQuery Core 2.0

10kminified + gzipped

3 Features2 Promises1 Invitation

3 Features2 Promises1 Invitation

Promise#1

The jQuery Teamwill supportjQuery v1.X

for as long asIE 6, 7, 8 is revelant

SeveralMoreYears

ConditionalComments

If you need tosupport IE 6, 7, 8

use 1.9 / 1.X

Please testjQuery 2.0 on

your site, evenif you use 1.9

Promise#2

The jQuery Teamwill support

API equivalencebetween

1.1X and 2.X10kminified + gzipped

1.10 will bereleased within

a couple ofmonths

1.1X <-> 2.X1.10 <-> 2.01.11 <-> 2.11.12 <-> 2.2

Invitation

Join Us• learn.jquery.com• contribute.jquery.org• jquery.org/join

membership@jquery.com