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Guest chisto

numeros

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Guest chisto

permitir somente numeros em um campo text e caso o usuario digitar letras mostrar a msg somente numeros

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function somente_numero(campo){
    var digits="0123456789"
    var campo_temp
    for (var i=0;i<campo.value.length;i++){
      campo_temp=campo.value.substring(i,i+1)
      if (digits.indexOf(campo_temp)==-1){
            campo.value = campo.value.substring(0,i);
            alert('Somente numeros');
        break;

       }
    }
}

Edited by fantasma

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