숫자만 입력가능

숫자만 입력가능

사용법​ onkeydown = "re​turn onlyNumber(event)"

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, "");

  }

}