jquery java script

Question

how to write the following code

$(function()
{ 
$('#datetime').datepicker({duration: '',showTime: true,constrainInput: false});
});

in javascript onclick() help me please Thanks

Answer 1

$('#myBtn').click(function(){
$('#datetime').datepicker({duration: '',showTime: true,constrainInput: false});
})

Answer 2

$("#youdbuttonid").bind("click", function(){
      $('#datetime').datepicker({duration: '',showTime: true,constrainInput: false});
});