How to make only some text in a text-field read-only while allowing to be edited
var com_name_val_len = jQuery('#company_name').val().length;
jQuery('#company_name').on('keypress, keydown', function(event) {
if ((event.which != 37 && (event.which != 39))
&& ((this.selectionStart < com_name_val_len)
|| ((this.selectionStart == com_name_val_len) && (event.which == 8)))) {
return false;
}
});