HTML Form Elements
The <input> Element
The most important frame element is the <input> element.
The <input> element can be shown in a few routes, contingent upon the sort attribute.
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>
This is how the HTML code above will be displayed in a browser:
Visible Values:
Use the size attribute to specify the number of visible values:
Example
<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>
This is how the HTML code above will be displayed in a browser:
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>
This is how the HTML code above will be displayed in a browser:
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>
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:
Example
<textarea name="message" style="width:200px; height:600px">
The cat was playing in the garden.
</textarea>
This is how the HTML code above will be displayed in a browser:
The <button> Element
The <button> element defines a clickable button:
Example
<button type="button" onclick="alert('Hello World!')">Click Me!</button>
This is how the HTML code above will be displayed in a browser:
HTML5 <datalist> Element
The <datalist> element indicates a rundown of pre-characterized choices for a <input> element.Clients will see a drop-down rundown of the pre-characterized choices as they input data.
The rundown attribute of the <input> element, must allude to the id attribute of the <datalist> element.
Example
<form action="/action_page.php">
<input list="browsers">
<datalist id="browsers">
<option value="Internet Explorer">
<option value="Firefox">
<option value="Chrome">
<option value="Opera">
<option value="Safari">
</datalist>
</form>
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