Multiple meaning of point in JavaScript
/* .的含义 1、表示算术中的小数点(浮点数),如 2.5 2、取对象属性、方法,如 [].push(2) */ 1.toString(); //Error 1..toString(); //Works well 1 .toString(); //Works well /* From: http://www.cnblogs.com/snandy/p/3169632.html */