prop() method in jQuery

The prop() method used to Get and Set Property value of selected element.

Syntax

//get cheked status of input
$("#chk").prop("cheked");

//set input cheked to true 
$("#chk").prop("cheked",true);

Example

The following example shows, how to disable and enable input using jQuery prop() method.

Demo

<html>
  <head>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>   
  </head>
  <body>
    <input type='checkbox' id='chk'>
    <input type='text' id='txt' value='12345' disabled>
  <script>
    $(document).ready(function(){
      $("#chk").click(function(){
        var status=$(this).prop("checked");
        if(status==true){
          $("#txt").prop("disabled",false);
        }else{
          $("#txt").prop("disabled",true);
        }
      });
    });
  </script>
  </body>
</html>

Try it Yourself