Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.bootcss.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("div p").first().css("background-color", "yellow");
});
</script>

<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "//hm.baidu.com/hm.js?73c27e26f610eb3c9f3feb0c75b03925";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</head>
<body>

<h1>Welcome to My Homepage</h1>

<p>This is the first paragraph in body.</p>

<div style="border: 1px solid black;">
  <p>This is the first paragraph in a div.</p>
  <p>This is the last paragraph in a div.</p>
</div><br>

<div style="border: 1px solid black;">
  <p>This is the first paragraph in another div.</p>
  <p>This is the last paragraph in another div.</p>
</div>

<p>This is the last paragraph in body.</p>

</body>
</html>