SpiderMonkey/JSAPI_参考/JS_GetVersion

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

语法

JSVersion JS_GetVersion(JSContext *cx);
参数名称 类型 描述
cx JSContext * 要查询的上下文.

描述

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.

请参阅

MXR ID Search for JS_GetVersion

JS_VersionToString, JS_StringToVersion

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