[Jquery] keydown, 숫자만 입력가능(허용) #function #OnlyNumber

jQuery.fn.ForceNumericOnly =

function () {

    return this.each(function () {

        $(this).keydown(function (e) {

            var key = e.charCode || e.keyCode || 0;

            // allow backspace, tab, delete, arrows, numbers and keypad numbers ONLY

            return (

                key == 8 ||

                key == 9 ||

                key == 46 ||

                (key >= 37 && key <= 40) ||

                (key >= 48 && key <= 57) ||

                (key >= 96 && key <= 105));

        });

    });

}; 

 

// 핸드폰 숫자만 입력가능.

$("#mobile").ForceNumericOnly();