<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>二維數(shù)組</title><script type="text/javascript">var myarr=[[0,1,2],[1,2,3,4,5,6]];for(var i=0;i<3;i++){ ? ?for(var j=0;j<6;j++){ ? ? ? ?myarr[i][j]=i*j; ? ? ? ??? document.write(i+"行"+j+"列"+myarr[i][j]+"<br/>");}document.write("<br/>");}?</script></head><body></body></html>
為什么二維數(shù)組中i的長度會(huì)變成2導(dǎo)致只能輸出兩行
慕姐8259394
2017-07-27 21:53:52