HTML5 and CSS: 21-30

21 Link to External Pages with Anchor Elements

• Anchor Element <a> 錨點

• <a href="http://freecatphotoapp.com">cat photos</a>

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  .red-text {
    color: red;
  }

  h2 {
    font-family: Lobster, Monospace;
  }

  p {
    font-size: 16px;
    font-family: Monospace;
  }

  .thick-green-border {
    border-color: green;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
  }

  .smaller-image {
    width: 100px;
  }
</style>

<h2 class="red-text">CatPhotoApp</h2>


<img class="smaller-image thick-green-border" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back. ">

<a href="http://freecatphotoapp.com">cat photos</a>

<p class="red-text">Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.</p>
<p class="red-text">Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.</p>

22 - Nest an Anchor Element within a Paragraph

• 例子

<p>View more cat photos
<a href="http://www.freecatphotoapp.com">cat photos</a>
</p>

• 作業

<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css">
<style>
  .red-text {
    color: red;
  }

  h2 {
    font-family: Lobster, Monospace;
  }

  p {
    font-size: 16px;
    font-family: Monospace;
  }

  .thick-green-border {
    border-color: green;
    border-width: 10px;
    border-style: solid;
    border-radius: 50%;
  }

  .smaller-image {
    width: 100px;
  }
</style>

<h2 class="red-text">CatPhotoApp</h2>

<p>View more cat photos
<a href="http://www.freecatphotoapp.com">cat photos</a>
</p>

<img class="smaller-image thick-green-border" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back. ">

<p class="red-text">Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.</p>
<p class="red-text">Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.</p>

23 - Make Dead Links using the Hash Symbol

• 不想那麼早放上連結，就用 # 井字號代替

<p>Click here for <a href="#">cat photos</a>.</p>

24 - Turn an Image into a Link

<a href="#">
<img class="smaller-image thick-green-border" src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back. ">
</a>

25 - Create a Bulleted Unordered List

<ul>
  <li>魚</li>
  <li>老鼠</li>
  <li>紙箱子</li>
</ul>

26 - Create an Ordered List

<p>Top 3 things cats hate:</p>
<ol>
  <li>水</li>
  <li>蛇</li>
  <li>小黃瓜</li>
</ol>

27 - Create a Text Field

• 原來建立輸入方塊這麼簡單 @@

• <input type="text">

28 - Add Placeholder Text to a Text Field

• 能預先顯示佔位符，當作預先定義文本

• <input type="text" placeholder=" cat photo URL">

29 - Create a Form Element

• 能夠傳送表單，action 定義傳送的方式

• 像範例，回車後，會傳送一個網址

<form action="/submit-cat-photo">
  <input type="text" placeholder="cat photo URL" >
</form>

30 - Add a Submit Button to a Form

• 透過 button 的 type="submit"，點擊 button 後，可以將資料透過 form 的 acton="path"，傳送到某個位址上

<form action="/submit-cat-photo">
  <input type="text" placeholder="cat photo URL">
  <button type="submit">Submit</button>
</form>

Submit