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Html forms, all elements and all attributes

In HTML a form can be made using form tag. It is a container tag.
Inside the form tag there are many input tags like email, text, password, phone, select, textarea etc.

Form example




HTML
<body>
 <form>   •••   </form>
</body>
We use action attribute to point to a webpage that will load when the user clicks submit button.
HTML
<form action="query.php">   •••   </form>
When use GET the form data will be visible in page address.
HTML
<form action="url" method="get"></form>
Use POST if the form is updating data or includes like password.
HTML
<form action="url" method="POST"></form>
Remember: Default value of method attribute is get , hence the form value will be visible in address bar.

Input tag

The input element creates an input box in the form. There are many types of input boxes.
HTML
<form>
 <input type="text">
 <input type="password">
</form>
Other possible values for type attribute are color, date, search, week, datetime, month, tel, datetime-local, number, time, email, range and url.

Examples

Input type number
HTML
<input type="number"/>
Input type email
HTML
<input type="email"/>
Input type Tel
HTML
<input type="tel"/>
Input type color
HTML
<input type="color"/>
Input type range
HTML
<input type="range"/>
Input type time
HTML
<input type="time"/>
Input type date
HTML
<input type="date"/>
Input type Select
HTML
<select>
  <option value="apple">Apple</option>
  <option value="samsung">Samsung</option>
  <option value="nokia">Nokia</option>
  <option value="verizon">Verizon</option>
</select>
Input type Radio
HTML
<input type="radio" name="gender" value="male" checked> Male<br>
<input type="radio" name="gender" value="female"> Female<br>
<input type="radio" name="gender" value="other"> Other
 Male
 Female
 Other
Input type CheckBox
HTML
<input type="checkbox" name="medium" value="facebook" checked> Share on facebook<br>
<input type="checkbox" name="medium" value="twitter"> Tweet on twitter<br>
 Share on facebook
 Tweet on twitter
Input type Submit
HTML
<input type="submit" name="submit" value="Send">
Input type Reset
Clears entire form (all inputs)
HTML
<input type="reset" name="reset" value="Clear">

Name attribute

The name attribute specifies name for form and inputs such that they can be accessed by backend program.
For advanced forms visit here
HTML
<form>
 <input type="text" name="username"/>
 <input type="password" name="password"/>
</form>

Required Attribute

This attrubute tells the browser to not submit the form unless the input is filled or a checkbox or radio is filled.
HTML
<input type="number" required/>

Fieldset

The <fieldset> element is used to group related data in a form.
The <legend> element defines a caption for the <fieldset> element.
HTML
<form action="action.php">
  <fieldset>
    <legend>User Information:</legend>
    First name:<br>
    <input type="text" name="firstname" value="John"><br>
    Last name:<br>
    <input type="text" name="lastname" value="Doe"><br><br>
    <input type="submit" value="Submit">
  </fieldset>
</form>
User Information:First name:

Last name:


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