JS引擎 浏览器 内核=排版引擎=解释引擎=渲染引擎 ----------------- ---------------- --------------------------------------- IE Trident SpiderMonkey for FireFox Gecko V8 for Chrome Webkit CaraKan for Opera Presto Nitro for Webkit Webkit(WebCore排版引擎及JavaScriptCore解析引擎 ) squirrelfish for Safari Webkit SquirrelFish Extreme for Safari Webkit
