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Summary
Determines if a specified value is a JS Boolean data type.
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Syntax
JSVAL_IS_BOOLEAN(v)
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Description
Use JSVAL_IS_BOOLEAN to determine if a given value, v, is a JS Boolean value. If the type tag for v is JSVAL_BOOLEAN, JSVAL_IS_BOOLEAN evaluates to true. Otherwise, it evaluates to false. These return types are C values, not JS Boolean values.
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Example
The following code snippet illustrates how a JavaScript variable, MyItem, is conditionally tested in an if statement to see if it is a JS Boolean data type.
if (JSVAL_IS_BOOLEAN(MyItem)) {
. . .
}
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See Also
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