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 HTML Form Elements HTML

HTML Form Elements  


HTML Form Elements

The <input> Element

The most important form element is the <input> element.

The <input> element can be displayed in several ways, depending on the type attribute.

Example

<input name="firstname" type="text">

If the type attribute is omitted, the input field gets the default type: "text".

The <select> Element

The <select> element defines a drop-down list:

Example

<select name="cars">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="fiat">Fiat</option>
  <option value="audi">Audi</option>
</select>

The <option> elements defines an option that can be selected.

By default, the first item in the drop-down list is selected.

To define a pre-selected option, add the selected attribute to the option:

Allow Multiple Selections:

Use the multiple attribute to allow the user to select more than one value:

Example

<select name="cars" size="4" multiple>
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="fiat">Fiat</option>
  <option value="audi">Audi</option>
</select>

The <textarea> Element

The <textarea> element defines a multi-line input field (a text area):

Example

<textarea name="message" rows="10" cols="30">
The cat was playing in the garden.
</textarea>

The rows attribute specifies the visible number of lines in a text area.

The cols attribute specifies the visible width of a text area.

The <button> Element

The <button> element defines a clickable button:

Example

<button type="button" onclick="alert('Hello World!')">Click Me!</button>

Note: Always specify the type attribute for the button element. Different browsers may use different default types for the button element.

HTML5 Form Elements

HTML5 added the following form elements:

  • <datalist>
  • <output>

Note: Browsers do not display unknown elements. New elements that are not supported in older browsers will not "destroy" your web page.

HTML5 <datalist> Element

The <datalist> element specifies a list of pre-defined options for an <input> element.

Users will see a drop-down list of the pre-defined options as they input data.

The list attribute of the <input> element, must refer to the id attribute of the <datalist> element.

Example

<datalist id="browsers">
    <option value="Internet Explorer">
    <option value="Firefox">
    <option value="Chrome">
    <option value="Opera">
    <option value="Safari">
  </datalist>

HTML5 <output> Element

The <output> element represents the result of a calculation (like one performed by a script).

Perform a calculation and show the result in an <output> element:

<input type="range"  id="a" name="a" value="50">
  100 +
  <input type="number" id="b" name="b" value="50">
  =
  <output name="x" for="a b"></output>
  <br><br>

HTML Input Types

Here are the different input types you can use in HTML:

  • <input type="button">
  • <input type="checkbox">
  • <input type="color">
  • <input type="date">
  • <input type="datetime-local">
  • <input type="email">
  • <input type="file">
  • <input type="hidden">
  • <input type="image">
  • <input type="month">
  • <input type="number">
  • <input type="password">
  • <input type="radio">
  • <input type="range">
  • <input type="reset">
  • <input type="search">
  • <input type="submit">
  • <input type="tel">
  • <input type="text">
  • <input type="time">
  • <input type="url">
  • <input type="week">

Example

<input type="button">
<input type="checkbox">
<input type="color">
<input type="date">
<input type="datetime-local">
<input type="email">
<input type="file">
<input type="hidden">
<input type="image">
<input type="month">
<input type="number">
<input type="password">
<input type="radio">
<input type="range">
<input type="reset">
<input type="search">
<input type="submit">
<input type="tel">
<input type="text">
<input type="time">
<input type="url">
<input type="week">

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