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53 packages found
Returns type of value or object instance. An alternative to typeof operator.
- typeof
- instype
- type-of
- is-type
- is-type-of
- types
- classof
- class-of
- kind
- is-kind
- is-kind-of
- constructor
- instance
- memberof
Check if a value is a direct instance of a class (not inherited from)
A set of predicate functions to improve your value testing and comparisons.
Test whether a value has in its prototype chain a specified constructor as a prototype property.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- prototype
- proto
- inherit
- inherits
- class
- oop
- View more
Implement prototypical inheritance by replacing the prototype of one constructor with the prototype of another constructor.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- prototype
- inherit
- inherits
- class
- oop
- object-oriented
- inheritance
- View more
Use Instance Of by type name
Create an instance of your javascript class without `new` keyword
Provider factory for creating multiple instances of another provider.
get the type of a javascript object.
A utility to determine if a value is an Error or specific instance/subclass of an Error type.
Test if an object's prototype chain contains a provided prototype.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- prototype
- proto
- inherit
- inherits
- class
- oop
- View more
Object-oriented JS for everyone - Take full advantage of JavaScript prototypes plus extras (private state, multiple inheritance, and super functions).
Instances of classes which are directly callable as functions.
Create an instance of your javascript class without `new` keyword because this is more classy ;)
Inspect methods of a class or an instance.
An implementation of models for TypeScript
Cross-browser normalization of DOM Range start and end containers
Make sure an instance of the current script only runs once.
Instances of classes which are directly callable as functions.
JSON validation of instance type and values