Javascript confirm box with yes or no button -


i have save record depend on user response either yes or no , in java script need confirm box yes , no button. if press save button records should save, other wise focus on particular control textbox. 

   <button onclick="myfunction()">try it</button>         <p id="demo"></p>        <script type="text/javascript">           function myfunction(){              var x;              var r=confirm("press button!");              if (r==true){                  x="you pressed ok!";              }              else{                  x="you pressed cancel!";              }              document.getelementbyid("demo").innerhtml=x;          }       </script>

instead of yes or no can use default values ok or cancel.


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