<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JS循环</title>
</head>
<body>
<h1>同志交友</h1>
<hr>
<script>
//循环输出 0-10
//while循环
var m = 0;
while (m <= 10) {
console.log(m);
m ++; // m += 1 m累加
}
console.log('');
//do ... while 循环
var n = 0;
do {
console.log(n)
n ++; // n += 1 n累加
} while(n <= 10);
console.log('')
//for 循环
for (var i = 0; i <= 10; i ++) {
console.log(i);
}
</script>
</body>
</html>