说明：  仿Android手机绘制图形口令特效,属于JavaScript的高级编程方面的技术，主要是用JavaScript绘制水平线、垂直线和斜线，把焦点的数值存在一个数组里面，保存成一组数作为密码口令，最终效果玩Android手机的网友都非常熟悉，仿屏幕开锁效果，作品里面的每个功能都把注释写得非常清楚
(Imitation Android phone password graphics rendering effects, belonging JavaScript advanced programming techniques, mainly using JavaScript to draw horizontal, vertical and diagonal lines, the focus there is an array of values ​ ​ inside stored into a number of groups as the password password, the final results play Android phone users are very familiar with the effects of imitation unlock the screen, each of which features works written very clearly regarded comment)