Validation Using JavaScript

 Here is simple Code for Numeric only and Email Validation using JavaScript

<input type="text" onkeypress="return number(event);" />

<input type="text" onblur="checkEmailValidation(this);" />

    <script type="text/javascript">

        function number(e) {

          

            var unicode = e.charCode ? e.charCode : e.keyCode;

            if (unicode != 8 && unicode != 9) {

                if (unicode < 48 || unicode > 57) return false;

            }

         //   OR USE "^\d+$ "  as RegExp

        }

        function checkEmailValidation(obj) {

            var filter1 = /^.+@.+\..{2,3}$/;

            if (filter1.test(obj.value) != true) {

                alert("invalid Email");

            }

        }

    </script>

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