Disable List Form Feilds Using Jquery in SharePoint

<!--Start Additional Custom Code -->

<script type="text/javascript" src="../../SiteAssets/jquery-1.11.3.min.js"></script>

<script type="text/javascript">

$(document).ready(function(){




$("input[Title='Title']").attr('disabled', 'disabled');    // To set the Title Feild Disable



alert( $("Select[Title='ServiceStage'] option:selected").text());  // To get the  dropdown ServiceStage Selected Value


$("textarea[Title='Title']").attr('disabled', 'disabled');  // To Disable the Multiline Feild




});
</script>




<!--End Additional Custom Code -->