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Learn HTML Form Elements – HTML Code


This chapter describes all 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.

 

Code:

<input name="firstname" type="text">

 

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

All the different input types are covered in the next chapter.

 


 

The <select> Element

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

 

Code:

<form action="/action_page.php">
<select name="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="fiat">Fiat</option>
<option value="audi">Audi</option>
</select>
<br><br>
<input type="submit">
</form>

 

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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:

 

Code:

<option value="fiat" selected>Fiat</option>

 

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Visible Values:

Use the size attribute to specify the number of visible values:

 

Code:

<form action="/action_page.php">
<select name="cars" size="3">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="fiat">Fiat</option>
<option value="audi">Audi</option>
</select>
<br><br>
<input type="submit">
</form>

 

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Allow Multiple Selections:

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

 

Code:

<form action="/action_page.php">
<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>
<br><br>
<input type="submit">
</form>

 

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The <textarea> Element

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

 

Code:

<form action="/action_page.php">
<textarea name="message" rows="10" cols="30">The cat was playing in the garden.</textarea>
<br>
<input type="submit">
</form>

 

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

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

This is how the HTML code above will be displayed in a browser:

 

You can also define the size of the text area by using CSS:

 

Code:

<form action="/action_page.php">
<textarea name="message" style="width:200px; height:600px;">The cat was playing in the garden.</textarea>
<br>
<input type="submit">
</form>

 

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The <button> Element

The <button> element defines a clickable button:

 

Code:

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

 

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This is how the HTML code above will be displayed in a browser:

 

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.

 

Code;

<form action="/action_page.php">
<input list="browsers" name="browser">
<datalist id="browsers">
<option value="Internet Explorer">
<option value="Firefox">
<option value="Chrome">
<option value="Opera">
<option value="Safari">
</datalist>
<input type="submit">
</form>

 

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HTML5 <output> Element

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

 

Code:

<form action="/action_page.php"
oninput="x.value=parseInt(a.value)+parseInt(b.value)">
0
<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>
<input type="submit">
</form>

 

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HTML Form Elements

= new in HTML5.

Tag Description
<form> Defines an HTML form for user input
<input> Defines an input control
<textarea> Defines a multiline input control (text area)
<label> Defines a label for an <input> element
<fieldset> Groups related elements in a form
<legend> Defines a caption for a <fieldset> element
<select> Defines a drop-down list
<optgroup> Defines a group of related options in a drop-down list
<option> Defines an option in a drop-down list
<button> Defines a clickable button
<datalist> Specifies a list of pre-defined options for input controls
<output> Defines the result of a calculation

 


Or

Learn HTML Form Elements – HTML Code from Video Tutorial.

 

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