Machine Coding bank Chat Machine Coding / 17 questions Your progress 0 / 17 done Saved in this browser. Reset All 17 Medium 9 Hard 8 Hide done No questions match those filters. 01 Typing Indicator Medium 02 Unread Message Divider Medium 03 Read Receipts Medium 04 Message Reactions Medium 05 Message Input with Attachments Medium 06 Emoji Reactions Bar Medium 07 Voice Message UI Medium 08 Message Context Menu (edit/delete) Medium 09 Pinned Messages Medium 10 WhatsApp Web Clone Hard 11 Slack Clone Hard 12 Discord Clone Hard 13 Messenger Clone Hard 14 Real-time Chat (WebSocket) Hard 15 Chat Message List (virtualized) Hard 16 Group Chat with Presence Hard 17 Chat Search & Jump to Message Hard ← Previous Dashboards Next → Maps