Fixed footer in Bottom.

Question

I have use this code for fixed footer in bottm.It's working but I have check consol error show

 

<script type="text/javascript">

function placeFooter() {

if ($(document.body).height() < $(window).height()) {

$(".footer").css({ position: "absolute", bottom: "0px" });

} else {

$('.').css({ position: '' });

}

}

placeFooter();

</script>

 

Uncaught Error: Syntax error, unrecognized expression: .

at Function.se.error (VM6899 jquery.min.js:2)

at se.tokenize (VM6899 jquery.min.js:2)

at se.select (VM6899 jquery.min.js:2)

at Function.se [as find] (VM6899 jquery.min.js:2)

at S.fn.init.find (VM6899 jquery.min.js:2)

at new S.fn.init (VM6899 jquery.min.js:2)

at S (VM6899 jquery.min.js:2)

at placeFooter (latest-trends:166)

at latest-trends:169