從iPhone官網上查詢資料知道:
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; fi-fi) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148a Safari/6533.18.5
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; fi-fi) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; de-de) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; da-dk) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5
Mozilla/5.0 (iPad; U; CPU OS 4_2_1 like Mac OS X; ja-jp)?
AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5
:
userAgent 屬性是壹個只讀的字符串，聲明了瀏覽器用於 HTTP 請求的用戶代理頭的值。壹般來講，它是在navigator.appCodeName 的值之後加上斜線和navigator.appVersion 的值構成的。