JS::ToUint32 编辑

This article covers features introduced in SpiderMonkey 17

Convert any JavaScript value to an unsigned 32bit integer.

Syntax

bool
JS::ToUint32(JSContext *cx, JS::HandleValue v, uint32_t *out);

Description

JS::ToInt32 converts a JavaScript value to an unsigned 32bit integer. It implements the ToInt32 operator described in ECMA 262-3 §9.6.

On success, JS::ToInt32 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

• MXR ID Search for JS::ToUint32
• bug 779601