Entry: JSVAL_IS_VOID (Macro)
Summary: Determines if a specified JS value is void.
Syntax:
JSVAL_IS_VOID(v)
Description:
Use JSVAL_IS_VOID to determine if a given value, v, is void. If v is JSVAL_VOID, JSVAL_IS_VOID evaluates to true. Otherwise, it evaluates to false. These return types are C values, not JS Boolean values.
Example:
The following code snippet illustrates how a JavaScript variable, MyItem, is conditionally tested in an if statement to see if it is void.
if (JSVAL_IS_VOID(MyItem)) {
. . .
}
See also:
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