Add <p>Hey I'm here</p> .before .inner2
<div class="container">
<h1>Hey</h1>
<div class="inner1">Hello</div>
<div class="inner2">Goodbye</div>
</div>
$( ".inner2" ).before( "<p>Hey I'm here</p>" );
//HTML output
<div class="container">
<h1>Hey</h1>
<div class="inner1">Hello</div>
<p>Hey I'm here</p>
<div class="inner2">Goodbye</div>
</div>
Add <p>Hey I'm here</p> .after .inner2
<div class="container">
<h1>Hey</h1>
<div class="inner1">Hello</div>
<div class="inner2">Goodbye</div>
</div>
$( ".inner2" ).after( "<p>Hey I'm here</p>" );
//HTML output
<div class="container">
<h1>Hey</h1>
<div class="inner1">Hello</div>
<div class="inner2">Goodbye</div>
<p>Hey I'm here</p>
</div>