javascript practice
Educational material: http://fe.it-academy.by/Materials/JSE_V16/JavaScript__Contents.html
Slides: http://fe.it-academy.by/ViewSlidesContents.php?lect=64
Homework: http://fe.it-academy.by/Materials/JSE_V16/JavaScript_N.html#ANCHOR4
Additional tasks: https://docs.google.com/document/d/13KvB4XoYz_OJmVR_KCAOcaGyfvT0-EwrDpP20OCMfg0/edit
Marks: https://docs.google.com/spreadsheets/d/1xJCCIn051ez-K7_XHVU4KTukEQ5-iK59_PZmdzVjLQQ/edit#gid=0