javascript的键控实现

The key of javascript accuses of realizing

获取键盘控制事件将大大加强你和电脑之间的交互性.通过对用户输入内容进行限制,减少非法输入所带来的麻烦,保护数据的完整性.

Obtain the keyboard and control the incident and strengthen the interaction between you and computer greatly . Through input to user content is it limit to go on , reduce and input the trouble brought illegally, protect the integrality of the data.