JS_SetAllNonReservedSlotsToUndefined 编辑

This article covers features introduced in SpiderMonkey 24

Assign undefined to all of the object's non-reserved slots.

Note: This is done for all slots, regardless of the associated property descriptor.

Syntax

void
JS_SetAllNonReservedSlotsToUndefined(JSContext *cx, JSObject *objArg);

Description

JS_SetAllNonReservedSlotsToUndefined assignes undefined to all of obj's own properties, except the special __proto__ and __parent__ properties, in a single operation. Properties belonging to objects on obj's prototype chain are not affected.

See Also

• MXR ID Search for JS_SetAllNonReservedSlotsToUndefined
• bug 749371