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Hello, JavaScript: JavaScript: Uncharted

Courses JavaScriptHello, JavaScript

Hello, JavaScript

Write your first instructions, see how literal sequencing works, and make JavaScript move a courier.

JavaScript
Unit 1 of 20
20 lessons
165 min
420 XP

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Lessons

20 total

1Your First SuperpowerRecognize JavaScript as an ordered set of instructions behind everyday digital actions.InteractiveConcept6 min20 XPOpen
2Computers Are LiteralIdentify an instruction that depends on missing human judgment.InteractiveConcept7 min20 XPOpen
3Say SomethingCall console.log to print a name in the terminal.CodeConcept7 min20 XPOpen
4One Line at a TimeArrange console.log calls so their output appears in the intended order.CodeConcept8 min20 XPOpen
5Meet Your CourierUse repeated forward calls to move a courier to the marked door.Code worldConcept9 min20 XPOpen
6Turning CornersChoose a turn method and combine it with forward moves to follow a bent route.Code worldConcept8 min20 XPOpen
7Numbers and WordsPrint a number and a string using the punctuation each value needs.CodeConcept7 min20 XPOpen
8Kinds of ValuesClassify JavaScript values as numbers, strings, or booleans.InteractiveConcept7 min20 XPOpen
9Pickup and DeliverPick up a parcel, move it along the street, and deliver it at the marked door.Code worldConcept9 min20 XPOpen
10Quotes and EmojiPrint text containing an apostrophe and an emoji as one JavaScript string.CodeConcept7 min20 XPOpen
11Notes to YourselfAdd a JavaScript comment that explains a working line without changing its output.CodeConcept7 min20 XPOpen
12Predict the PrintoutPredict the terminal order produced by four sequential console.log calls.InteractiveConcept7 min20 XPOpen
13The Missing QuoteUse a syntax error’s line and marker to repair an unclosed JavaScript string.CodeConcept8 min20 XPOpen
14A Real RouteSequence pickup, movement, turns, and delivery across a bent route.Code worldConcept10 min20 XPOpen
15Error SafariConnect common JavaScript error messages to the broken source that causes them.InteractiveConcept8 min20 XPOpen
16Print a ReceiptPrint a four-line cafe receipt with exact text, order, and hand-spaced alignment.CodePractice10 min20 XPOpen
17Two ParcelsComplete two pickups and two deliveries in one unambiguous street sequence.Code worldPractice11 min20 XPOpen
18Three-Line DayTurn a short daily plan into three precisely ordered terminal lines.CodePractice9 min20 XPOpen
19Will It Run?Predict which short JavaScript snippets fail before running them.InteractiveConcept8 min20 XPOpen
20Hello Mastery CheckBuild and verify a short JavaScript delivery card from a precise prose brief.CodeMastery check12 min40 XPOpen

Remember with Variables