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64 packages found
Useful JavaScript base classes for efficient and quick solutions to common problems.
- javascript
- class
- base-class
- class-based
- superclass
- parent-class
- object-oriented
- oop
- inheritance
- inherited
- encapsulation
- extends
- constructor
Test if an object has a specified method name, either own or inherited.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- object
- obj
- has
- hasown
- hasownproperty
- hasprop
- View more
Return a property descriptor for an object's own or inherited property.
Test if an object has a specified property, either own or inherited.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- object
- obj
- has
- hasown
- hasownproperty
- hasprop
- View more
Return an array of an object's own and inherited property names and symbols.
Return an array of an object's own and inherited enumerable property names.
Test whether an object contains at least n properties (own and inherited) which pass a test implemented by a predicate function.
- stdlib
- stdutils
- stdutil
- utilities
- utility
- utils
- util
- test
- predicate
- any
- every
- all
- object.some
- object.every
- View more
Return an array of an object's own and inherited writable symbol properties.
Test if an object's own and inherited property is readable and writable.
Invoke a function for each own and inherited enumerable property of an object.
Test if an object's own or inherited property is non-configurable.
Return an array of an object's own and inherited enumerable property key-value pairs.
Test if an object's own or inherited property is enumerable.
Return an array of an object's own and inherited symbol properties.
Test if an object's own or inherited property is non-enumerable.
Return an array of an object's inherited non-enumerable property names and symbols.
Test if an object's own or inherited property is readable.
Test if an object's own or inherited property has an accessor descriptor.
Return an array of an object's own and inherited enumerable property values.
Test if an object's own or inherited property has a data descriptor.