有沒有人用switch寫一下
有沒有人用switch寫一下
慕絲3518293
2018-08-02
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有沒有人用switch寫一下
2018-08-02
舉報
2018-08-25
<!DOCTYPE? HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>流程控制語句</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(i=0;i<=9;i++){
???? switch ("大一"){
???????? case infos[i][3]:
???????????? switch("女"){
???????????????? case infos[i][1]:
???????????????????? document.write(infos[i][0]+"<br>");
???????????? }
???? }
?}
</script>
</head>
<body>
</body>
</html>
2018-08-06
感覺根本不需要第一次篩選，直接用第二次的篩選方法就可以了
2018-08-02
<!DOCTYPE? HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>流程控制語句</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"]];
var i,j;
//第一次篩選
for(i=0;i<10;i++){
switch(infos[i][3]){
case "大一":{
for(j=0;j<=3;j++){
document.write(infos[i][j]);
}
document.write("<br>");
}
}
}
//第二次篩選
for(i=0;i<10;i++){
switch(infos[i][3]){
case "大一":
switch(infos[i][1]){
case "女":{
document.write(infos[i][0]);
document.write("<br>");
}
}
}
}
??
?
?
??
</script>
</head>
<body>
</body>
</html>