JavaScript
Give web pages and programs a brain.
Learn the basics of JavaScript, the language that runs in every web browser. You will write small programs, make decisions, repeat actions, and work with lists and objects.
- Beginner
- 11 lessons
- 1 h 59 min
- Free
Not started
Lessons
- 1Say helloPrint your first message with console.log.5 min
- 2VariablesGive a value a name so you can use it again.8 min
- 3Numbers and mathCalculate with numbers and find a remainder.8 min
- 4Text and stringsMeasure, change, and search text.9 min
- 5Making choicesUse if, else, and logical operators to decide what to do.12 min
- 6LoopsRepeat work with for and while loops.10 min
- 7ArraysKeep a list of values, add to it, and go through it.10 min
- 8FunctionsWrite your own functions that take values and return a result.12 min
- 9ObjectsGroup related values with names, and keep objects in arrays.12 min
- 10Quiz, JavaScript basicsQuizTen questions on variables, text, decisions, loops, arrays, functions, and objects.8 min
- 11Project: text toolkitProjectWrite five functions that work on sentences, then use them in a report.25 min