<details>
     <summary>Click Here to get the user details</summary>
            <table>
                <tr>
                    <th>#</th>
                    <th>Name</th>
                    <th>Location</th>
                    <th>Job</th>
                </tr>
                <tr>
                    <td>1</td>
                    <td>Adam</td>
                    <td>Huston</td>
                    <td>UI/UX</td>
                </tr>
                <tr>
                    <td>2</td>
                    <td>Bob</td>
                    <td>London</td>
                    <td>Machine Learning</td>
                </tr>
                <tr>
                    <td>3</td>
                    <td>Jack</td>
                    <td>Australia</td>
                    <td>UI Designer</td>
                </tr>
                <tr>
                    <td>4</td>
                    <td>Tapas</td>
                    <td>India</td>
                    <td>Blogger</td>
                </tr>
            </table>
        </details>

<h2> Shoppping List(Content Editable) </h2>
 <ul class="content-editable" contenteditable="true">
     <li> 1. Milk </li>
     <li> 2. Bread </li>
     <li> 3. Honey </li>
</ul>

<div>
    <img src="circus.jpg" width="500" height="500" alt="Circus" usemap="#circusmap">

    <map name="circusmap">
        <area shape="rect" coords="67,114,207,254" href="elephant.htm" rel="external nofollow" >
        <area shape="rect" coords="222,141,318, 256" href="lion.htm" rel="external nofollow" >
        <area shape="rect" coords="343,111,455, 267" href="horse.htm" rel="external nofollow" >
        <area shape="rect" coords="35,328,143,500" href="clown.htm" rel="external nofollow"  rel="external nofollow" >
        <area shape="circle" coords="426,409,100" href="clown.htm" rel="external nofollow"  rel="external nofollow" >
    </map>
 </div>

<p> 你知道嗎，你可以僅使用 HTML 標(biāo)簽 <mark>"突出顯示有趣的東西"</mark></p>

mark {
  background-color: green;
  color: #FFFFFF;
}

<h2> Know data attribute </h2>
 <div 
       class="data-attribute" 
       id="data-attr" 
       data-custom-attr="You are just Awesome!"> 
   I have a hidden secret!
  </div>

 <button onclick="reveal()">Reveal</button>
 <p id="msg"></p>
<script>
function reveal() {
   let dataDiv = document.getElementById('data-attr');
   let value = dataDiv.dataset['customAttr'];
   //使用getAttribute()它們的完整 HTML 名稱（即 data-custom-attr），
   //但標(biāo)準(zhǔn)定義了一種更簡(jiǎn)單的方法：使用dataset屬性。
   document.getElementById('msg').innerHTML = `<mark>${value}</mark>`;
}
</script>

<form oninput="x.value=parseInt(a.value) * parseInt(b.value)">
   <input type="number" id="a" value="0">
   * <input type="number" id="b" value="0">
   = <output name="x" for="a b"></output>
</form>

<form action="" method="get">
    <label for="fruit">Choose your fruit from the list:</label>
    <input list="fruits" name="fruit" id="fruit">
        <datalist id="fruits">
           <option value="Apple">
           <option value="Orange">
           <option value="Banana">
           <option value="Mango">
           <option value="Avacado">
        </datalist>
     <input type="submit">
 </form>  

<form method="post">
    <input 
         type="range" 
         name="range" 
         min="0" 
         max="100" 
         step="1" 
         value=""
         onchange="changeValue(event)"/>
 </form>
 <div class="range">
      <output id="output" name="result">  </output>
 </div>

<label for="home">/home/atapas</label>
<meter id="home" value="4" min="0" max="10">2 out of 10</meter><br>

<label for="root">/root</label>
<meter id="root" value="0.6">60%</meter><br>

<label for="file">Downloading progress:</label>
<progress id="file" value="32" max="100"> 32% </progress>

<input type="text" id="username1" name="username" required>

<input type="text" id="username2" name="username"autofocus>

<input type="password" 
            name="password" 
            id="password" 
            placeholder="6-20 chars, at least 1 digit, 1 uppercase and one lowercase letter" 
            pattern="^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6,20}$">

<input type="color" onchange="showColor(event)">
<p id="colorMe">Color Me!</p>