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


    JS_GetVersion(JSContext *cx);
    Name Type Description
    cx JSContext * The context to query.


    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.

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