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<!DOCTYPE html>
<html>
<title>W3.JS</title>
<script src="../lib/w3.js"></script>
<body>
​
<h2>Testing W3.JS in HTML</h2>
​
<p>Click the button to add a red background color to all h2 elements.</p>
​
<button onclick="w3.addStyle('h2','color','red')">Add Style</button>
​
<div id="London" class="city">
  <h2>London</h2>
  <p>London is the capital city of England.</p>
</div>
​
<div id="Paris" class="city">
  <h2>Paris</h2>
  <p>Paris is the capital of France.</p> 
</div>
​
<div id="Tokyo" class="city">
  <h2>Tokyo</h2>
  <p>Tokyo is the capital of Japan.</p>
</div>
​
</body>
​
<!-- Mirrored from www.w3schools.com/w3js/tryit.asp?filename=tryw3js_add_style_tag by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:29:20 GMT -->
</html>
​
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