Keywords
javascript typechecker check-type javascript-type primitive-types class-check type-checking type-checker type-check define-type get-type what-type is-string is-number is-boolean is-symbol is-function is-BigInt is-undefined is-null is-array is-date is-object is-set is-map is-WeakSet is-WeakMap is-WeakRef is-RegExp is-Error is-RangeError is-ReferenceError is-SyntaxError is-TypeError is-Buffer is-Promise is-JSON is-JSON5 is-class is-empty is-notEmpty