如何用switch做？
如何用switch做？
4 回答
var infos = [
['小A','女',21,'大一'],
['小B','男',23,'大三'],
['小C','男',24,'大四'],
['小C','男',24,'大四'],
['小D','女',21,'大一'],
['小E','女',22,'大四'],
['小F','男',21,'大一'],
['小G','女',22,'大二'],
['小H','女',20,'大三'],
['小I','女',20,'大一'],
['小J','男',20,'大三']
];
for(var i = 0; i < infos.length; i++) {
switch(infos[i][3]){
case '大二':
break;
case '大三':
break;
case '大四':
break;
default:
switch(infos[i][1]){
case "女":
console.log(infos[i][0] + "<br />");
break;
}
}
}可以这样试一下
查看1条回复
<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>流程控制语句</title>
<script type="text/javascript">
var infos = [
['小A','女',21,'大一'],
['小B','男',23,'大三'],
['小C','男',24,'大四'],
['小C','男',24,'大四'],
['小D','女',21,'大一'],
['小E','女',22,'大四'],
['小F','男',21,'大一'],
['小G','女',22,'大二'],
['小H','女',20,'大三'],
['小I','女',20,'大一'],
['小J','男',20,'大三']
]
for(var i=0;i<infos.length;i++){
if(infos[i][3]=="大一"){
switch(infos[i][1]){
case '女':
document.write(infos[i][0]+"<br />");
}
}
}
</script>
</head>
<body>
</body>
</html>
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