jquery只能输入数值的text框
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html> <head> <title>Untitled Document</title> <script type="text/javascript" src="jquery-1.4.2.min.js"></script> </head> <script type="text/javascript"> $.fn.numeral = function() { $(this).css("ime-mode", "disabled"); this.bind("keypress",function() { if (event.keyCode == 46) { if (this.value.indexOf(".") != -1) { return false; } } else { return event.keyCode >= 46 && event.keyCode <= 57; } }); this.bind("blur", function() { if (this.value.lastIndexOf(".") == (this.value.length - 1)) { this.value = this.value.substr(0, this.value.length - 1); } else if (isNaN(this.value)) { this.value = ""; } }); this.bind("paste", function() { var s = clipboardData.getData('text'); if (!/\D/.test(s)); value = s.replace(/^0*/, ''); return false; }); this.bind("dragenter", function() { return false; }); this.bind("keyup", function() { if (/(^0+)/.test(this.value)) { this.value = this.value.replace(/^0*/, ''); } }); }; </script> <body> <input type="text" id="txt1"> <input type="text" id="Text2"> </body> <script type="text/javascript"> $("#txt1").numeral(); </script></html> $("#joinYears").keyup(function(){ var tmptxt=$(this).val(); $(this).val(tmptxt.replace(/\D|^/g,'')); }).bind("paste",function(){ var tmptxt=$(this).val(); $(this).val(tmptxt.replace(/\D|^/g,'')); }).css("ime-mode", "disabled");