function add3(x,y,z)
{
sum = x + y +z;
document.write(x+"、"+y+"、"+z+"和:"+sum+"<br/>");
}
add3(5,8,3);
add3(7,1,4);
{
sum = x + y +z;
document.write(x+"、"+y+"、"+z+"和:"+sum+"<br/>");
}
add3(5,8,3);
add3(7,1,4);
2015-07-13
<script type="text/javascript">
function sub2(a,b) //定义函数
{
sub=a-b;
alert("5和2的差:"+sub);
}
</script>
</head>
<body>
<form>
<input type="button" value="点击我" onclick="sub2(5,2)" />
</form>
function sub2(a,b) //定义函数
{
sub=a-b;
alert("5和2的差:"+sub);
}
</script>
</head>
<body>
<form>
<input type="button" value="点击我" onclick="sub2(5,2)" />
</form>
var infos=new Array();
infos[0]=['小A','女',21,'大一'];
......
......
infos[9]=['小J','男',20,'大三'];
for(i=0;i<infos.length;i++){
if( infos[i][3]=='大一' && infos[i][1]=='女'){
document.write(infos[i]+'<br/>');
}
}
infos[0]=['小A','女',21,'大一'];
......
......
infos[9]=['小J','男',20,'大三'];
for(i=0;i<infos.length;i++){
if( infos[i][3]=='大一' && infos[i][1]=='女'){
document.write(infos[i]+'<br/>');
}
}
最新回答 / cai鸟
<!DOCTYPE HTML><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>无标题文档</title> </head> <body> <form> 请选择你爱好:<br>...
最赞回答 / arlenhui
function random(x, y) {var a = Math.random()*(y-x)+x;return a;}//获取从x到y的随机数
2015-07-13
已采纳回答 / arlenhui
<...code...>document.write("myarr["+i+"]"[+j+"]的值:"+ myarr [i][j]+"<br/>";) 这一行多处错误。
2015-07-13
