How to move html tag inside javascript corectly?

My HTML Code is like this :

<tr>
...

    <td><a href="#" onclick="window.open('{{ url('hotel/cancel-policy?NationCd='.$hotel_request['NationCd'].'&CityCd='.$hotel_request['CityCd'].'&CheckIn='.$hotel_request['CheckIn'].'&CheckOut='.$hotel_request['CheckOut'].'&Sgl='.$hotel_request['Sgl'].'&Dbl='.$hotel_request['Dbl']) }}', 'newwindow', 'width=300, height=250'); return false;">Cancel Policy</a></td>    
...

</tr>   

I want move html tag inside javascript

I try like this :

My Javascript Code is like :

...
    elem.append('<tr>\
...
        <td><a href="#" onclick="window.open('url('hotel/cancel-policy?NationCd='+NationCd+'&CityCd='+CityCd+'&CheckIn='+CheckIn+'&CheckOut='+CheckOut+'&Sgl='+Sgl+'&Dbl='+Dbl)', 'newwindow', 'width=300, height=250'); return false;">Cancel Policy</a></td>\
...
    </tr>');
...

But, it's not working

How to move html tag inside javascript corectly?

Any solution to solve my problem?

Thank you

via Chebli Mohamed