MACROMEDIA FLASH 8-EXTENDING FLASH, Manual

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The C-level API 545
JSBool JS_ValueToInteger()
Usage
JSBool JS_ValueToInteger(JSContext *cx, jsval v, long *lp);
Description
Method; extracts a function argument from a
jsval
structure, converts it to an integer (if
possible), and passes the converted value back to the caller.
Arguments
JSContext *cx
,
jsval v
,
long *lp
■
The
cx
argument is the opaque
JSContext
pointer that passes to the JavaScript function.
■
The
v
argument is the
jsval
structure from which the integer is to be extracted.
■
The
lp
argument is a pointer to a 4-byte integer. This function stores the converted value
in
*lp
.
Returns
A Boolean value:
JS_TRUE
indicates success;
JS_FALSE
indicates failure.
JSBool JS_ValueToDouble()
Usage
JSBool JS_ValueToDouble(JSContext *cx, jsval v, double *dp);
Description
Method; extracts a function argument from a
jsval
structure, converts it to a double (if
possible), and passes the converted value back to the caller.
Arguments
JSContext *cx
,
jsval v
,
double *dp
■
The
cx
argument is the opaque
JSContext
pointer that passed to the JavaScript function.
■
The
v
argument is the
jsval
structure from which the double is to be extracted.
■
The
dp
argument is a pointer to an 8-byte double. This function stores the converted
value in
*dp
.
Returns
A Boolean value:
JS_TRUE
indicates success;
JS_FALSE
indicates failure.