学步园

js:

 //铵enter键,阻止提交订单
        function doClick(event) {
            //    if ($.trim($('#' + buttonId + '').val()) == '') {
            //        shorError();
            //        return;
            //    }
            var key;

            if (window.event)
                key = window.event.keyCode;     //IE
            else
                key = event.which;     //firefox

            if (key == 13) {
                //                if ($.trim($('#btnVerificationCode').val()) == '') {
                //                    shorError();
                //                }
                try {
                    if (window.event) {//ie
                        window.event.keyCode = 0
                        window.event.returnValue = false;
                    }
                    else {//firefox
                        return false;
                    }
                }
                catch (ex) {
                }
            }
        }

html:

<input id="btnVerificationCode" type="text" value="" style="width: 45px;"
                        name="checkcode" onkeypress="return doClick(event);"
                        maxlength="4" />