js只能输入数字
$("#SeatCount, #Charge").on("keyup", function () { if (this.value.replace(/^0|\D/g, '') === "") { this.style.border = "1px solid red"; } else { this.style.border = ""; } });
keyup 与change事件会有兼容性问题,在手机上。
http://www.cnblogs.com/deng02/archive/2009/12/08/1619576.html
http://skyfar666.iteye.com/blog/894837
正则表达式
http://www.cnblogs.com/Mainz/archive/2009/03/14/1411359.html
http://www.oschina.net/question/12_9507
出处:http://cnblogs.com/daishuguang