๐Reflect
Last updated
Last updated
JS โฉ object โฉ built-in โฉ Reflect
A built-in object that provides methods for interceptable operations. The methods are the same as those of proxy handlers.
Reflect is not a function object, so it's not constructible
the first parameter to all the Reflect methods is called the target parameter.
(f, o, args)
invokes f as a method of o , just like o.f(args).
same as f.apply(o, args).
(C, args, newTarget)
invokes C as a constructor.
same as new C(...args).
newTarget is used as (if specified).
(o, key, desc)
define new/existing property.
similar to (o, key, desc).
but returns boolean.
(o, key)
delete a property.
similar to delete o[key].
returns boolean.
(o, key, receiver)
get a property.
similar to o[key].
( what the receiver is for. )
(o, key)
get a .
(almost) same as (o, key)
(o)
get the of an object.
(almost) same as (o).
(o, key)
check if object o has property key.
similar to key in o.
returns true for any inherited properties.
(o)
check if an object is extensible.
() same as (o)
(o)
returns an array of own property keys. (string/symbol included)
similar to (o) + (o).
(o)
prevents new properties from being added to an object.
() same as (o)
(o, key, value, receiver)
set a property.
similar to o[key] = value.
returns boolean.
(not sure what the is for )
(o, p)
set the of an object. (not recommended)
similar to (o, p).
returns boolean.