This article covers features introduced in SpiderMonkey 31
Convert any JavaScript value to a string.
Syntax
#include "js/Conversions.h" // as of SpiderMonkey 38; previously in jsapi.h JSString* JS::ToString(JSContext *cx, JS::HandleValue v)
Name | Type | Description |
---|---|---|
cx |
JSContext * |
The context in which to perform the conversion. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext . |
v |
JS::HandleValue |
The value to convert. |
Description
JS::ToString
returns a string representation of a JavaScript value.
If v.isString()
is true
, it calls v.toString()
. Otherwise, it converts the value to string.
On success, JS::ToString
returns a JSString
instance. On error or exception, it returns nullptr
.