In this activity, we'll explore some additional concepts that you'll encounter in more depth later on in the course.
Open the Chrome devtools Console, type in console.log and then hit enter
What output do you get?
ƒ log() { [native code] }
Now enter just console in the Console, what output do you get back?
console {debug: ƒ, error: ƒ, info: ƒ, log: ƒ, warn: ƒ, …} assert: ƒ assert() clear: ƒ clear() context: ƒ context() count: ƒ count() countReset: ƒ countReset() createTask: ƒ createTask() debug: ƒ debug() dir: ƒ dir() dirxml: ƒ dirxml() error: ƒ error() group: ƒ group() groupCollapsed: ƒ groupCollapsed() groupEnd: ƒ groupEnd() info: ƒ info() log: ƒ log() memory: MemoryInfo {totalJSHeapSize: 10000000, usedJSHeapSize: 10000000, jsHeapSizeLimit: 3760000000} profile: ƒ profile() profileEnd: ƒ profileEnd() table: ƒ table() time: ƒ time() timeEnd: ƒ timeEnd() timeLog: ƒ timeLog() timeStamp: ƒ timeStamp() trace: ƒ trace() warn: ƒ warn() Symbol(Symbol.toStringTag): "console" [[Prototype]]: Object
Try also entering typeof console
Answer the following questions:
What does console store?
It's an object type.
What does the syntax console.log or console.assert mean? In particular, what does the . mean?
The console is an object and log and assert are method. The dot (.) notation means that you are accessing an instance property or method that belongs to the object