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js的倒計(jì)時(shí)代碼怎么用(js的倒計(jì)時(shí)代碼怎么用不了)
setTimeoutquotfunquot,1000 fun是自定義函數(shù) 下面實(shí)例演示打開(kāi)頁(yè)面后倒計(jì)時(shí)3秒,然后彈出對(duì)話框 1HTML結(jié)構(gòu) 3 2javascript代碼 function funn ifn0 ndocumentgetElementByIdquottestquot;=#39#39r...