Convert first argument of @@toPrimitive
method to JSType
.
Syntax
bool JS::GetFirstArgumentAsTypeHint(JSContext* cx, CallArgs args, JSType *result);
Name | Type | Description |
---|---|---|
cx |
JSContext * |
The context in which to define functions. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext . |
fs |
CallArgs |
The arguments of the function call. |
behavior |
JSType * |
Receives the result of conversion. See below. |
Description
JS::GetFirstArgumentAsTypeHint
converts first argument of @@toPrimitive
method to JSType
.
If args.get(0)
is one of the strings "string"
, "number"
, or "default"
, set *result
to JSTYPE_STRING
, JSTYPE_NUMBER
, or JSTYPE_VOID
accordingly and return true
. Otherwise, return false
with a TypeError
pending.