运用Javascr ipt实现的数码时钟效果，动态显示当前时间，可以运用在网站开发中，也是学习Javascr ipt的一些技巧的参考。-The use of Javascr ipt to achieve the effect of digital clock, dynamic display of the current time, can be used in the development of the site, but also to learn some of the skills o