Version 2.0 was fully incompatible with version one.0, and version three.0 can continue on the trail set by version two.0. The jQuery Foundation says there are very little breaking changes in three.0, which users ought to be able to migrate their code while not an excessive amount of work.
Users that not need to support previous that is browsers in their comes will invariably use the jQuery Migrate project to maneuver their code to the newer two.0 and 3.0 branches. If customers are still asking you to figure with IE6, IE7, and IE8, then you must keep on with jQuery one.0 for the predictable future.
Right once the I/O 2016 conference, Google conjointly free the anypixel.js library for making massive and weird interactive displays. If you did not get bored by currently of all the free UI toolkits egg laying around, then you must apprehend Cloudflare open-sourced their UI framework furthermore.