freeCodeCamp/guide/english/certifications/front-end-libraries/jquery/use-jquery-to-modify-the-entire-page/index.md

---
title: Use jQuery to Modify the Entire Page
---
## Use jQuery to Modify the Entire Page

### Problem Explanation

Add the classes `animated` and `hinge` to your `body` element.

#### Relevant Links:
  - [.addClass()](https://api.jquery.com/addClass/e)

### Solution:
```html
<script>
  $("body").addClass("animated hinge");
  $(document).ready(function() {
    $("#target1").css("color", "red");
    $("#target1").prop("disabled", true);
    $("#target4").remove();
    $("#target2").appendTo("#right-well");
    $("#target5").clone().appendTo("#left-well");
    $("#target1").parent().css("background-color", "red");
    $("#right-well").children().css("color", "orange");
    $("#left-well").children().css("color", "green");
    $(".target:nth-child(2)").addClass("animated bounce");
    $(".target:even").addClass("animated shake");
    $("body").addClass("animated hinge");
  });
</script>

<div class="container-fluid">
  <h3 class="text-primary text-center">jQuery Playground</h3>
  <div class="row">
    <div class="col-xs-6">
      <h4>#left-well</h4>
      <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>
    </div>
    <div class="col-xs-6">
      <h4>#right-well</h4>
      <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>
      </div>
    </div>
  </div>
</div>
```