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