一、JavaScript循环语句
1.for循环、for/in
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        var array = [1,2,3,4,5,6];
        for(var i=0; i<6; i++){
            document.write(array[i]+" ");
        }
    </script>
</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        var array = [1,2,3,4,5,6];
        var i;
        for(i in array){
            document.write(array[i]+"<br/>");
        }
    </script>
</body>
</html>    
    2.while循环、do...while
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        var i = 1;
        while(i<10){
            document.write("i="+i+"<br/>")
            i++;
        }
    </script>
</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        var i = 10;
        do {
            document.write("i="+i+"<br/>")
            i++;
        }while(i<10)
    </script>
</body>
</html>    
原文地址:http://11317783.blog.51cto.com/11307783/1791896