date - Javascript: getFullyear() is not a function -

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i getting error:

statdate.getfullyear() not function.

from javascript code:

var start = new date(); start = document.getelementbyid('stardate').value ;  var y = start.getfullyear();

any idea why function isn't available?

try this...

 var start = new date(document.getelementbyid('stardate').value);  var y = start.getfullyear();

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