- Language
Object
: 🖐️ usedFunction
: 🖐️ usedBoolean
: 🖐️ usedNumber
: 🖐️ usedBigInt
: 🎓 knownString
: 🖐️ usedSymbol
: 🎓 knownInfinity
: 🎓 knownNaN
: 🖐️ usedundefined
: 🖐️ usednull
: 🖐️ usedthis
: 🖐️ usedinstanceof
: 🖐️ used...spread
: 🖐️ used...rest
: 🖐️ usedtypeof
: 🖐️ used- Destructuring: 🖐️ used
- Generators: 🎓 known
- Iterators: 🎓 known
- Async generator: 🎓 known
- Async iterator: 🎓 known
- Chaining: 🎓 known
- Optional chaining: 🎓 known
- IIFE: 🎓 known
- Async IIFE: 🎓 known
global
: 🎓 knownglobalThis
: 🎓 knownwindow
: 🎓 known- Getters and setters: 🎓 known
__proto__
: 🎓 knownprototype
: 🎓 known- Equality operators: 🖐️ used
- Logical operators: 🖐️ used
- Logical Assignment: 🎓 known
- Bitwise operators: 🎓 known
- Ternary operator: 🖐️ used
void
: 🎓 knownyield
: 🎓 knownawait
: 🖐️ used- Template literal
- Strict mode
- Hoisting
delete
in
super
eval
static
Number.parseInt
: 🖐️ usedNumber.parseFloat
: 🖐️ used- Property descriptors
- Sealing properties
- Freezing properties
- Computed properties
- Instance class fields
- Static class fields
- Private class fields
- Private class methods
- Statements
if
: 🖐️ usedwhile
: 🖐️ useddo..while
: 🖐️ usedfor
: 🖐️ usedfor..in
: 🖐️ usedfor..of
: 🖐️ usedfor await
throw
: 🖐️ usedbreak
: 🖐️ usedcontinue
: 🖐️ usedimport
: 🖐️ usedexport
: 🖐️ usedlabel
try..catch
: 🖐️ usedswitch
: 🖐️ usedclass
: 🖐️ usedextends
with
new
: 🖐️ used
- Functions
- Arrow function: 🖐️ used
- Async function
- Function declaration: 🖐️ used
- Function expression: 🖐️ used
- Default parameters
- Functional object
Function.prototype.call
: 🖐️ usedFunction.prototype.bind
: 🖐️ usedFunction.prototype.apply
: 🖐️ usedreturn
: 🖐️ used
- Data structures
Array
: 🖐️ usedMap
: 🖐️ usedSet
: 🖐️ used- Weak collections
- Typed arrays
- Mixins
Object.assign
: 🖐️ used
- Standard classes and namespaces
Proxy
RegExp
: 🖐️ usedDate
: 🖐️ usedMath
: 🖐️ usedReflect
Error
: 🖐️ usedAtomics
JSON
: 🖐️ usedWeakRef
FinalizationRegistry
Intl
Promise
console
: 🖐️ used- Timers
- Infrastructure
- V8: 👂 heard
- Node.js: 👂 heard
- npm: 👂 heard
- prettier: 👂 heard
- MDN: 🖐️ used
- TC39: 👂 heard