Section 5

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Udemy Web Developer Bootcamp Section 5


HTML: Forms and Tables


Tables: TR, TD, TH, Thead, Tbody

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Heaviest Birds Table</title>
</head>
<body>
    <h1>Heaviest Birds</h1>
    <table>
        <thead>
            <tr>
                <th>Animal</th>
                <th>Average mass [kg (lb)]</th>
                <th>Maximum mass [kg (lb)]</th>
                <th>Flighted</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>Ostrich</td>
                <td>104 (230)</td>
                <td>156.8 (346)</td>
                <td>No</td>
            </tr>
            <tr>
                <td>Somali Ostrich</td>
                <td>90 (200)</td>
                <td>130 (287)</td>
                <td>No</td>
            </tr>
           <tr>
               <td>Wild Turkey</td>
               <td>13.5 (29.8)</td>
               <td>39 (86)</td>
               <td>Yes</td>
           </tr>
        </tbody>
        
    </table>
</body>
</html>

Tables: Colspan, Rowspan

<h2>V2</h2>
<table>
  <thead>
    <tr>
      <th rowspan="2">Animal</th>
      <th colspan="2">Average Mass</th>
      <th rowspan="2">Flighted</th>
    </tr>
    <tr>
      <th>KG</th>
      <th>LB</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Ostrich</td>
      <td>104</td>
      <td>230</td>
      <td>No</td>
    </tr>
    <tr>
      <td>Somali Ostrich</td>
      <td>90</td>
      <td>200</td>
      <td>No</td>
    </tr>
    <tr>
      <td>Wild Turkey</td>
      <td>13.5</td>
      <td>29.8</td>
      <td>Yes</td>
    </tr>
  </tbody>
</table>

Forms: Input, Placeholder

<h1>Forms Demo</h1>

    <form action="/tacos">
        <input type="text" placeholder="username">
        <input type="password" placeholder="password">
        <input type="color">
        <input type="number" placeholder="enter a number">
    </form>

Forms: Label

<h1>Forms Demo</h1>

<form action="/tacos">
  <p>
    <label for="username">Enter a Username:</label>
    <input id="username" type="text" placeholder="username">
  </p>
  <p>
    <label for="password">Enter a Password:</label>
    <input id="password" type="password" placeholder="password">
  </p>
  <p>
    <label for="color">Enter a Color:</label>
    <input id="color" type="color">
  </p>
  <p>
    <label>
      Enter a Number:
      <input type="number" placeholder="enter a number">
    </label>
  </p>
</form>
for="" of label and id="" of input are connected.

Forms: Button

<form action="/tacos">
  <!-- this button doesn't submit the form b/c of hte "type" attribute -->
  <button type="button">Regular button (won't submit)</button>
  <!-- This button submits the form! -->
  <button>Submit!!!</button>
  <!-- So does this one: -->
  <input type="submit" value="Click me!!">
</form>
<hr>
<!-- Outside of a form, no default behavior -->
<button>Not Inside Form</button>
button takes me to the page of action of form (the default is submit ).
when I put type="button" , button does not going to work.

Forms: Name Attribute

<form action="/tacos">
  <p>
    <label for="username">Enter a Username:</label>
    <input id="username" type="text" placeholder="username" name="usename">
  </p>
  <p>
    <label for="password">Enter a Password:</label>
    <input id="password" type="password" placeholder="password" name="password">
  </p>
  <p>
    <label for="color">Enter a Color:</label>
    <input id="color" type="color" placeholder="color" name="color">
  </p>
  <p>
    <label>
      Enter a Number:
      <input type="number" placeholder="enter a number" name="num">
    </label>
  </p>
  <button>Submit!!!</button>
</form>

when I enter the inputs, the button takes me to the URL below:
file:///tacos?usename=awesome&password=happy&color=%2349fafd&num=525

"Hijacking" Google & Reddit's search

</form>
<h2>Hijacking Searches</h2>
<h3>Search Reddit</h3>
<form action="http://www.reddit.com/search">
  <input type="text" name="q">
  <button>Search Reddit</button>
</form>
<h3>Search Google</h3>
<form action="http://www.google.com/search">
  <input type="text", name="q">
  <button>Search Google</button>
</form>
<!-- without button, it works same as with button by pressing the key "enter" -->
<h3>Search Youtube</h3>
<form action="http://www.youtube.com/results">
  <input type="text" name="search_query">
</form>

Forms: etc..

<h2>More Inputs!</h2>
    <form action="/birds">
        <input type="checkbox" name="agree_terms_of_sevice" id="agree" checked>
        <label for="agree">I agree to everything</label>
        <p>
            <label for="xs">XS: </label>
            <input type="radio" name="size" id="xs" value="xs">
            <label for="s">S: </label>
            <input type="radio" name="size" id="s" value="s">
            <label for="m">M: </label>
            <input type="radio" name="size" id="m" value="m" checked>
        </p>
        <p>
            <label for="meal">Please Select an Entree</label>
            <select name="meal" id="meal">
                <option value="fish">Fish</option>
                <option value="veg" selected>Vegetarian</option>
                <option value="steak">Steak</option>
            </select>
        </p>
        <p>
            <label for="cheese">Amount of Cheese:</label>
            <input type="range" name="cheese_level" id="cheese" min="1" max="100" step="7" value="75">
        </p>
        <p>
            <label for="requests">Any Special Requests?</label>
            <br>
            <textarea name="Requests?" id="requests" cols="30" rows="10" placeholder="Type something here"></textarea>
        </p>
        <button>Submit</button>
    </form>

when I press the button, then the URL:
file:///birds?agree_terms_of_sevice=on&size=m&meal=veg&cheese_level=78&Requests%3F=hi%2C+there

Forms: Validations

<h2>Validations Demo</h2>
<form action="/dummy">
  <label for="fist">Enter First Name</label>
  <input type="text" name="first" id="first" required>
  <p>
    <label for="username">Username</label>
    <input type="text" name="username" id="username" minlength="5" maxlength="20">
  </p>

  <p>
    <input type="email" required>
    <input type="url">
  </p>
  <button>Submit</button>
</form>

Race Register Form

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Race Register Form</title>
</head>
<body>
    <h1>Race Registration!</h1>
    <form action="/race">
        <div>
            <label for="first">First Name</label>
            <input type="text" name="firstname" id="first" required>
            <label for="last">Last Name</label>
            <input type="text" name="lastname" id="last" required>
        </div>
        <p>
            <label for="select_race">Select a Race:</label>
        </p>
        <div>
            <input type="radio" name="race" id="funrun" value="funrun">
            <label for="funrun">Fun Run 5k</label>
        </div>
        <div>
            <input type="radio" name="race" id="half" value="half">
            <label for="half">Half Marathon</label>
        </div>
        <div>
            <input type="radio" name="race" id="full" value="full">
            <label for="full">Full Marathon</label>
        </div>
        <div>
            <label for="email">Email</label>
            <input type="email" name="email" id="email" required>
            <label for="password">Password</label>
            <input type="password" name="password" id="password" required>
        </div>
        <div>
            <label for="division">Select Age Group</label>
            <select name="division" id="division">
                <option value="kids">under 18</option>
                <option value="youngadults">18-30</option>
                <option value="adults">31-50</option>
                <option value="seniors">50+</option>
            </select>
        </div>
        <button>Register!</button>
    </form>

</body>
</html>
クラスと構造体の比較
Dev log - 7, CSS #6