• Blog

Back into the future or the history of JavaScript language

A look back on when and how JavaScript was created and came to a point where it is now.
2017/09/28 15:25
by oduvan

3 Free JavaScript books by O'Reilly

An overview of the 3 free O’Reilly books about JavaScript along with some information on their authors.
2017/09/21 07:40
by oduvan

Creating Missions on CheckiO

Going through the journey of the every new mission on CheckiO.
2017/09/07 08:09
by oduvan

EcmaScript 2018. Template Literal Revision

Finishing the series of articles devoted to EcmaScript innovations. First look at ES 2018.
2017/08/31 14:14
by oduvan

EcmaScript 2017 .getOwnProperty and trailing commas

Going through the other novelties of EsmaScript 8. Object.getOwnPropertyDescriptors and trailing commas in function parameter lists and calls
2017/08/22 06:32
by oduvan

EcmaScript 2017. String padding

Continuing the revision of the latest EcmaScript 8 features. A closer look at the String padding function.
2017/08/15 10:38
by oduvan

EcmaScript 2017. Object.values/ Object.entries

The latest feature set of EcmaScript 8. Taking a closer look at the function Object.values/Object.entries.
2017/08/08 06:51
by oduvan

Crazy August

Results of relaxing July, new missions and how crazy August will look like.
2017/08/01 13:41
by oduvan

4 new short missions

4 new short missions for you this week
2017/07/27 21:33
by oduvan

Results of the first week

Reverse Roman Numerals and Roman Numerals are no longer in random review mode, one more mission had been released last week and our top3 leaders you can find in this blog post about the first week of relax-July.
2017/07/13 09:51
by oduvan

Relax and have some fun on July

This month we will release a lot of small and short missions, so you can check how creative can be CheckiO community with JavaScript.
2017/07/06 11:24
by oduvan

3 new missions

3 new missions, UX improvements and Web Plugin upgrade...
2017/06/29 13:25
by oduvan

New Easy Mission and IceBase LeaderBoard

We have released 8 new and easy missions in IceBase station and activate a LeaderBoard on the Island
2017/05/16 12:07
by oduvan

Ice Base

Just a quick message for you about a new station on CheckiO.
2017/03/16 07:47
by oduvan


CheckiO has a lot of features that become available, or unlocked, with higher levels. Here is a list of all the potential features and at which levels they become available to users.
2017/03/09 20:29
by oduvan

Missions from kurosawa4434

We have finally two new missions for you thanks to kurosawa4434. You can create your own missions on CheckiO (you need to achieve level 9) and once approved they can become part of CheckiO Map.
2017/02/28 12:54
by oduvan

Forum Tags

An improvements to make the forum not only a place where you can get help with solving missions but also a place where you can learn something new and meet other people who share your love for coding
2017/02/21 11:45
by oduvan

Today is the hottest day of winter

Hot section, last mission in the left menu, quick following, opened missions and happy holidays :)
2016/12/27 13:21

3 easy mission

We have 3 easy missions for this weekend
2016/12/14 21:46

CheckiO online Shop

The first CheckiO-shop
2016/11/08 16:17
1 2