JS_GetVersion 编辑

Retrieves the JavaScript version number used within a specified executable script context.

Syntax

JSVersion
JS_GetVersion(JSContext *cx);

Description

JS_GetVersion returns the JavaScript version currently used by the given JSContext, cx. The result is one of the JSVersion constants.

When a context is created, its version is initially JSVERSION_DEFAULT. Scripts are compiled using the latest version of the JavaScript language. To configure a context to run scripts using a specific version of JavaScript, use JS_SetVersion.

See Also

• MXR ID Search for JS_GetVersion
• JS_VersionToString
• JS_StringToVersion
• JS_SetVersionForCompartment