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【JavaScript】【Jquery】数値以外入力不可にする※全角数値はＯＫ

JavaScript
jQuery

Last updated at 2023-09-20Posted at 2023-09-20

process.stdin.resume();
process.stdin.setEncoding('utf8');

$('input[name="cost"]').on('input', function() {
    var num = $(this).val().replace(/[０-９]/g,(s) => String.fromCharCode(s.charCodeAt(0)-0xFEE0));
    $('input[name="cost"]').val(num);
    if(!$.isNumeric(num)) {
        alert('数値を入力してください');
        $('input[name="cost"]').val(num.replace(/\D+/g, ''));
    }
})

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