Entry: JSVAL_IS_STRING (Macro)
Summary: Determines if a specified JS value is a JS string data type.
Syntax:
JSVAL_IS_STRING(v)
Description:
Use JSVAL_IS_STRING to determine if a given JS value, v, is a JS string. If the type tag for v is JSVAL_STRING, JSVAL_IS_STRING 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 a JS string data type.
if (JSVAL_IS_STRING(MyItem)) {
. . .
}
See also:
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