1 <!doctype html>
2 <html lang="en">
3 <head>
4 <meta charset="utf-8">
5 <meta name="viewport" content="width=device-width, initial-scale=1.0">
6 <title>document</title>
7 </head>
8 <body>
9 <script>
10 function num(m,n){
11 for(var j=m;j<=n;j++){
12 var c=0
13 for(var i=1;i<=j;i++){
14 if(j%i===0){
15 c++
16 }
17 }
18 if(c===2){
19 document.write(j+'<')
20 }
21 }
22 }
23 num(100,200)
24 </script>
25</body>
26</html>
判断一个数是否为质数： https://www.cnblogs.com/strongerpian/p/12635571.html
![[总结] I/O输入，输出](https://www.kunjuke.com/file/css/thumb/1.jpg/280-180.jpg)
