<!DOCTYPE ?HTML><html ><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>數(shù)組</title><script type="text/javascript">var arr=new Array['*','##',"***","&&","****","##*"];arr[7]="**";?//創(chuàng)建數(shù)組?alert(arr.length);?//顯示數(shù)組長度?document.write(arr[0]+"<br>"+arr[7]+"<br>"+arr[2]+"<br>"+arr[4]+"<br>");??//將數(shù)組內(nèi)容輸出，完成達(dá)到的效果。</script></head><body></body></html>
為什么在頁面沒有任何顯示！！
慕粉2327369078
2017-03-02 12:39:37
