Reflect.deleteProperty()
The static
Reflect.deleteProperty()
method allows to delete properties. It is like the
delete
operator
as a function.
Syntax
Reflect.deleteProperty(target, propertyKey)
Parameters
target
-
The target object on which to delete the property.
propertyKey
-
The name of the property to be deleted.
Return value
A Boolean
indicating whether or not the property was successfully
deleted.
Exceptions
Description
The Reflect.deleteProperty
method allows you to delete a property on an
object. It returns a Boolean
indicating whether or not the property was
successfully deleted. It is almost identical to the non-strict
delete
operator.
Examples
Using Reflect.deleteProperty()
let obj = { x: 1, y: 2 }
Reflect.deleteProperty(obj, 'x') // true
obj // { y: 2 }
let arr = [1, 2, 3, 4, 5]
Reflect.deleteProperty(arr, '3') // true
arr // [1, 2, 3, undefined, 5]
// Returns true if no such property exists
Reflect.deleteProperty({}, 'foo') // true
// Returns false if a property is unconfigurable
Reflect.deleteProperty(Object.freeze({foo: 1}), 'foo') // false
Specifications
Specification |
---|
ECMAScript Language Specification # sec-reflect.deleteproperty |
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