<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><script language="javascript">?var myarray=[[88,90,68,99],[10,20,30]];?document.write("值是:"+myarray[0][0]+"<br>");?document.write("值是:"+myarray[1][2]+"<br>");?document.write("值是:"+myarray[2][1]+"<br>");?</script></head><body></body></html>第一行顯示輸出時88，第二行輸出時30，第三行沒有顯示輸出值，這些取值有什么原則，該怎樣取值？
二維數(shù)組取值問題
qq_小白_7
2015-06-14 12:00:01
