A.checkbox B.textarea C.button D.timefield
A.當(dāng)open()方法調(diào)用后,readyState屬性值為2 B.當(dāng)readyState的值為3時(shí),send()方法已經(jīng)被調(diào)用 C.當(dāng)readyState的值為3時(shí),服務(wù)器已經(jīng)響應(yīng),但響應(yīng)未完全結(jié)束 D.當(dāng)readyState的值為4時(shí),HTTP響應(yīng)碼一定是200
A.resources/css/ext-all.Css B.adapter/ext/ext-base.Js C.ext-debug.js D.ext-all.js