숫자만 입력

JAVASCRIPT 2015. 3. 16. 17:58 Posted by Dayis

<!doctype html>

<html lang="ko">

<head>

    <meta charset="UTF-8">

    <title>input 필드에 오직 숫자만 입력 받기</title>

</head>

<body>

    <h1>input 필드에 오직 숫자만 입력 받기</h1>

    <form>

        <p><input type="text" onkeydown='return onlyNumber(event)' onkeyup='removeChar(event)' style='ime-mode:disabled;'></p>

    </form>

    <script>

        function onlyNumber(event){

            event = event || window.event;

            var keyID = (event.which) ? event.which : event.keyCode;

            if ( (keyID >= 48 && keyID <= 57) || (keyID >= 96 && keyID <= 105) || keyID == 8 || keyID == 46 || keyID == 37 || keyID == 39 ) 

                return;

            else

                return false;

}

        function removeChar(event) {

            event = event || window.event;

            var keyID = (event.which) ? event.which : event.keyCode;

            if ( keyID == 8 || keyID == 46 || keyID == 37 || keyID == 39 ) 

                return;

            else

                event.target.value = event.target.value.replace(/[^0-9]/g, "");

}

    </script>

</body>

</html>

원본 : http://webskills.kr/archives/310

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