JSVAL_IS_VOID

Syntax

JSVAL_IS_VOID(v)

Description

JSVAL_IS_VOID(v) is true if v is JSVAL_VOID, which represents the JavaScript value undefined.

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)) {
    ...
}

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