Demo
<iframe height='265' scrolling='no' title='wqeEmz' src='//codepen.io/fastfoodcoding/embed/wqeEmz/?height=265&theme-id=light&default-tab=result&embed-version=2' frameborder='no' allowtransparency='true' allowfullscreen='true' style='width: 100%;'>See the Pen <a href='https://codepen.io/fastfoodcoding/pen/wqeEmz/'>wqeEmz</a> by fastfoodcoding (<a href='https://codepen.io/fastfoodcoding'>@fastfoodcoding</a>) on <a href='https://codepen.io'>CodePen</a>.
</iframe>
Code
<html>
<head>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"> </script>
<script>
$(document).ready(function(){
$(".btn").click(function(){
$("#p1").hide();
});
});
</script>
</head>
<body>
<p id = "p1"> i'll hide on button click</P>
<p id = "p2"> Foo2</p>
<button class = "btn"> Hide </button>
</body>
</html>