Object.prototype.__lookupSetter__()

Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Deprecated
This feature has been removed from the Web. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

Summary

The __lookupSetter__ method returns the function bound as a setter to the specified property.

Syntax

obj.__lookupSetter__(sprop)

Parameters

sprop
A string containing the name of the property whose setter should be returned.

Description

If a setter has been defined for an object's property, it was not possible to reference the setter function through that property, because that property refers to the return value of that function. __lookupSetter__ can be used to obtain a reference to the setter function.

It is now possible to do this in a standardized way using Object.getOwnPropertyDescriptor().

Specifications

Not part of any specifications.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? (Yes) ? ? ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? (Yes) ? ? ?

See also

Document Tags and Contributors

Contributors to this page: evilpie, Sheppy, fscholz, ethertank, Sevenspade, Krzysiek6, Mgjbot
Last updated by: fscholz,