1.
$("#pk_id").val().replace(/s/gi, '');
2.
document.getElementById('txt_id').value=document.getElementById('txt_id').value.replace(/s/gi,'');
1.
$("#pk_id").val().replace(/s/gi, '');
2.
document.getElementById('txt_id').value=document.getElementById('txt_id').value.replace(/s/gi,'');