练习2
代码说明：
说明： 适用于初学者的web网页设计编程的第二部分。(The second part of web page design and programming for beginners.)
文件列表：
day04\.project, 967 , 2016-09-18
day04\01float.html, 662 , 2016-09-18
day04\02nav.html, 1004 , 2016-09-18
day04\03relative.html, 825 , 2016-09-18
day04\04fixed.html, 609 , 2016-09-18
day04\05hidden.html, 578 , 2016-09-18
day04\06opacity.html, 868 , 2016-09-18
day04\07box.html, 745 , 2016-09-18
day04\08helloworld.html, 467 , 2016-09-18
day04\09dataType.html, 968 , 2016-09-18
day04\1099.html, 615 , 2016-09-19
day04\11num.html, 769 , 2016-09-19
day04\img\sky.bmp, 5760054 , 2016-09-18
day04\index.html, 123 , 2016-09-18
day04\margin1.html, 871 , 2016-09-18
day04\test.html, 1080 , 2016-09-19
day05\.project, 967 , 2016-09-19
day05\01function.html, 756 , 2016-09-19
day05\02overload.html, 961 , 2016-09-19
day05\03localGlobal.html, 777 , 2016-09-19
day05\04array.html, 1662 , 2016-09-19
day05\05ex.html, 2435 , 2016-09-19
day05\06string.html, 1155 , 2016-09-19
day05\07date.html, 961 , 2016-09-19
day05\08clock.html, 603 , 2016-09-19
day05\09math.html, 733 , 2016-09-19
day05\10object.html, 1779 , 2016-09-20
day05\2016－09－18 星期日.pdf, 32040 , 2016-09-19
day05\2016－09－19 星期 一.pdf, 26417 , 2016-09-19
day05\index.html, 123 , 2016-09-19
day06\.project, 967 , 2016-09-20
day06\01extends.html, 1186 , 2016-09-20
day06\02window.html, 944 , 2016-09-20
day06\03location.html, 1102 , 2016-09-20
day06\04navigator.html, 678 , 2016-09-20
day06\05history.html, 683 , 2016-09-20
day06\06document.html, 2115 , 2016-09-20
day06\07tab.html, 1979 , 2016-09-21
day06\child.html, 1325 , 2016-09-20
day06\index.html, 159 , 2016-09-20
day04\css, 0 , 2016-09-18
day04\img, 0 , 2018-10-27
day04\js, 0 , 2016-09-18
day05\css, 0 , 2016-09-19
day05\img, 0 , 2016-09-19
day05\js, 0 , 2016-09-19
day06\css, 0 , 2016-09-20
day06\img, 0 , 2016-09-20
day06\js, 0 , 2016-09-20
day04, 0 , 2018-10-27
day05, 0 , 2018-10-27
day06, 0 , 2018-10-27
下载说明：请别用迅雷下载，失败请重下，重下不扣分！
