###### tags:`AJAX` # AJAX - 3.HTTP狀態碼 <kbd>status</kbd>看接收狀態 <kbd>status:200</kbd>請求已成功,請求所希望的回應頭或資料體將隨此回應返回。 <kbd>status:404</kbd>請求失敗,請求所希望得到的資源未被在伺服器上發現,但允許使用者的後續請求 [更多status資訊](https://zh.wikipedia.org/wiki/HTTP%E7%8A%B6%E6%80%81%E7%A0%81) 
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