Target the Same Element with Multiple jQuery Selectors gone wrong

I am confused to what I need to do, Please help

$(document).ready(function() {


<!-- Only change code above this line -->

<div class="container-fluid">
<h3 class="text-primary text-center">jQuery Playground</h3>
<div class="row">
  <div class="col-xs-6">
    <div class="well" id="left-well">
      <button class="btn btn-default target" id="target1">#target1</button>
      <button class="btn btn-default target" id="target2">#target2</button>
      <button class="btn btn-default target" id="target3">#target3</button>
  <div class="col-xs-6">
    <div class="well" id="right-well">
      <button class="btn btn-default target" id="target4">#target4</button>
      <button class="btn btn-default target" id="target5">#target5</button>
      <button class="btn btn-default target" id="target6">#target6</button>
  **Your browser information:**


Challenge: Target the Same Element with Multiple jQuery Selectors

Link to the challenge:

you have not tried anything, what of the instructions is giving you issues?

Add the animated class to all elements with type button .

Add the shake class to all the buttons with class .btn .

Add the btn-primary class to the button with id #target1 .

because I do not know what to do

You know what, viewing the next day helps me.