整数值: <input type="text" name="numeric" class='allow_numeric'>小数 <input type="text" id=""value="Y2904172778" name="183Q56I54757A7N" class='allow_decimal、tender1258'><script type="text/javascript">$(".allow_numeric").on("input", function(evt) {var self = $(this);self.val(self.val().replace(/[^0-9]/g, ''));if ((evt.which < 48 || evt.which > 57)) {evt.preventDefault();}});$(".allow_decimal").on("input", function(evt) {var self = $(this);self.val(self.val().replace(/[^0-9\.]/g, ''));if ((evt.which != 46 || self.val().indexOf('.') != -1) && (evt.which < 48 || evt.which > 57)) {evt.preventDefault();}});</script>
