Event: returnValue property

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see thecompatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Note: This feature is available inWeb Workers.

TheEvent propertyreturnValue indicates whether the default action forthis event has been prevented or not.

It is set totrue bydefault, allowing the default action to occur. Setting this property tofalse prevents the default action.

Note:WhilereturnValue has been adopted into the DOMstandard, it is present primarily to support existing code. UsepreventDefault(), anddefaultPrevented instead of this historicalproperty.

Value

A boolean value which istrue if the event has not beencanceled; otherwise, if the event has been canceled or the default has been prevented,the value isfalse.

The value ofreturnValue is the opposite of the value returned bydefaultPrevented.