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哪里出問題了?

JavaScript

li274058914 2015-12-14 16:57:32

<head>??? ?<title></title>? ?</head><body><script ?type="text/javascript">? ? var bb = "javascript"? ? var cc =5644655564165?? ? document.write(bb.charAt(3)+" ");? ? document.write(bb.replace("java", "kkkk") + " ");? ? document.write(bb.toLowerCase() + " ");? ? document.write(bb.toUpperCase() + " ");? ? document.write(bb.split("va")+" "):? ? document.write(bb.substr(2,8)+" ");? ? document.write(bb.substring(3,7)+" ");? ? document.write(bb.concat(cc) + " ");? ? ?document.write(bb.indexOf("r")+" ");? ??? ??? ? ? var ?nn=new ?Array("12","578","1345","987");? ? var ?mm=new Array("hg""hu","hnh");? ? ?? ? document.write(nn.join("-")+" ");? ? document.write(mm.revesre()+" ");? ????</script></body></html>

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1 回答

已采納

Caballarii

TA貢獻(xiàn)1123條經(jīng)驗(yàn) 獲得超629個(gè)贊

document.write(bb.split("va")+" "):寫成了冒號

?var ?mm=new Array("hg""hu","hnh");少一個(gè)逗號

document.write(mm.revesre()+" ");reverse拼錯(cuò)了

總共三個(gè)地方

反對回復(fù) 2015-12-14

li274058914
謝謝，你學(xué)javascrip學(xué)了多長時(shí)間？我都快兩個(gè)月了，還是很水，很煩，

回復(fù) 2015-12-14
Caballarii
學(xué)會(huì)用Chrome或者Firefox進(jìn)行調(diào)試，另外請結(jié)算問題謝謝

回復(fù) 2015-12-14
li274058914
非常感謝！

回復(fù) 2015-12-14