https://blog.youkuaiyun.com/xulisha123zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/xulisha123/article/details/121002054https://blog.youkuaiyun.com/xulisha123/article/details/121002054xulisha123Wed, 27 Oct 2021 21:09:18 +0800https://blog.youkuaiyun.com/xulisha123/article/details/44936507https://blog.youkuaiyun.com/xulisha123/article/details/44936507xulisha123Wed, 08 Apr 2015 09:37:26 +0800https://blog.youkuaiyun.com/xulisha123/article/details/44922525https://blog.youkuaiyun.com/xulisha123/article/details/44922525xulisha123Tue, 07 Apr 2015 16:45:11 +0800https://blog.youkuaiyun.com/xulisha123/article/details/44855975https://blog.youkuaiyun.com/xulisha123/article/details/44855975xulisha123Fri, 03 Apr 2015 15:33:16 +0800https://blog.youkuaiyun.com/xulisha123/article/details/9209533https://blog.youkuaiyun.com/xulisha123/article/details/9209533xulisha123Sun, 30 Jun 2013 21:45:52 +0800https://blog.youkuaiyun.com/xulisha123/article/details/7035351https://blog.youkuaiyun.com/xulisha123/article/details/7035351xulisha123Fri, 02 Dec 2011 15:39:56 +0800=48)&&(event.keyCode   如果输入的是数字则显示出来，， 否则不显示   第二种           function keyPress(ob) {             if (!ob.value.match(/^[\+\-]?\d*?\.?\d*?$/)) ob.value =]]>