JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <h2>This is div 1</h2>
</div>

<div>
    <h2>This is div 2</h2>
</div>

<div>
    <h2>This is div 3</h2>
</div>

JavaScript

var array = [ 
    [ "<p>Bla bla</p>", "<p>Other stuff</p>"], 
    [ "<p>Another paragraph</p>"], 
    [ "<p>Yet another</p>", "<p>yes</p>", "<p>yes</p>" ] 
    ];
    
for ( var i = 0; i < array.length; i++ ) {
    $('div').eq( i ).append( array[i] );
}