How To Make An Input Text Accept Only Numeric Values Using Javascript [ with source code ]

In This Javascript Tutorial we will See How To Create An Input Text That Allow Only Numbers On KeyPress Event Using test function using JS And Netbeans Editor .

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Project Source Code:


<!DOCTYPE html>
<html>
    <head>
        <title>Javascript - Input Text Allow Only Numbers</title>
        <meta charset="windows-1252">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>

        <input type="text" onkeypress="isInputNumber(event)">

        <script>

            function isInputNumber(evt){

                var ch = String.fromCharCode(evt.which);

                if(!(/[0-9]/.test(ch))){
                    evt.preventDefault();
                }

            }

        </script>

    </body>
</html>

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