定义一个函数，创建HTML列表，arguments

1 function list(type) {

2 var result = "<" + type + ">";

3

4 // iterate through non-type arguments

5 for (var i = 1; i < arguments.length; i++) {

6 result += "<li>" + arguments[i] + "</li>";

7 }

8

9 result += "</" + type + ">"; // end list

10

11 return result;

12 }

13 var listHTML = list("ul", "One", "Two", "Three");

14 // listHTML is "<ul><li>One</li><li>Two</li><li>Three</li></ul>"

15 console.log(listHTML);

You can pass any number of arguments to this function