JSVAL_NULL 编辑

Obsolete since JSAPI 42
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

The jsval that represents the JavaScript value null.

Syntax

JSVAL_NULL

Description

JSVAL_NULL is a jsval constant that represents the JavaScript value null. It is equivalent to OBJECT_TO_JSVAL(NULL).

See Also

• MXR ID Search for JSVAL_NULL
• JSVAL_VOID
• JSVAL_TRUE
• JSVAL_FALSE
• JSVAL_ZERO
• JSVAL_ONE
• bug 1177825 -- removed