document.write()直接寫(xiě)入html 不顯示,求解答
<!DOCTYPE? HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>數(shù)組</title>
<script type="text/javascript">
? ? //創(chuàng)建數(shù)組
?var myarr = ["*","##","***,""&&","****","##*"];
? ?myarr[7]="**";
?//顯示數(shù)組長(zhǎng)度
?document.write(myarr.length);
?//將數(shù)組內(nèi)容輸出,完成達(dá)到的效果。
?document.write(myarr[0]+"<br/>");
? document.write(myarr[7]+"<br/>");
? ?document.write(myarr[2]+"<br/>");
? ? document.write(myarr[4]+"<br/>");
??
</script>
</head>
<body>
</body>
</html>
2019-07-10
直接把斜杠去了就行了
2019-04-30
上面創(chuàng)建數(shù)組""&&"錯(cuò)了,導(dǎo)致頁(yè)面不顯示,,應(yīng)該是"&&",如下:
2019-04-08
<br/>換成</br>
2019-04-01
? ? //創(chuàng)建數(shù)組
?var myarr = ["*","##","***,""&&","****","##*"];
是因?yàn)檫@句里面 "***,""&&" 逗號(hào)寫(xiě)到雙引號(hào)里去了,
和下面的html語(yǔ)句無(wú)關(guān),<br/>是正確的寫(xiě)法。
2019-03-27
里面那個(gè)換行符應(yīng)該是</br>,你改了之后應(yīng)該就可以了
2019-03-27
</br>應(yīng)該寫(xiě)在外面
2019-03-27
document.write(arr[2]);</br>