JS::ToUint64 编辑
This article covers features introduced in SpiderMonkey 17
Convert any JavaScript value to an unsigned 64bit integer.
Syntax
bool
JS::ToUint64(JSContext *cx, JS::HandleValue v, uint64_t *out);
| 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. |
out | uint64_t * | Out parameter. On success, *out receives the converted floating-point value. |
Description
JS::ToInt64 converts a JavaScript value to an unsigned 64bit integer.
On success, JS::ToInt64 stores the converted value in *out and returns true. On error or exception, it returns false, and the value left in *out is undefined.
See Also
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