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HTML5 Solutions: Essential Techniques for HTML5 Developers

HTML5 brings the biggest changes to HTML in years. Web designers now have new techniques, from displaying video and audio natively in HTML, to creating realtime graphics on a web page without a plugin.

This book provides a collection of solutions to all of the most common HTML5 problems. Every solution contains sample code that is production-ready and can be applied to any project.

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HTML Select List Basics

By Stephen Bucaro

An HTML Select list is a form control used to create a drop-down list of items from which the user can select. Each item in a select list is defined by an option element. The most basic code for an HTML select list is shown below.

<select>
<option>Item 1</option>
<option>Item 2</option>
<option>Item 3</option>
</select>

Some Useful Select List Attributes

The selected attributes causes an option to be selected by default.

<select>
<option value="Bread">Bread</option>
<option value="Coffee">Coffee</option>
<option value="Fruit"  selected="selected">Fruit</option>
<option value="Pie">Pie</option>
<option value="Salad">Salad</option>
<option value="Soup">Soup</option>
<option value="Wine">Wine</option>
</select>

The multiple attribute allows the user to select multiple items in the list. Note: the user must press and hold the [Ctrl] key while selecting multiple items.

<select multiple="multiple">
<option value="Bread">Bread</option>
<option value="Coffee">Coffee</option>
<option value="Fruit">Fruit</option>
<option value="Pie">Pie</option>
<option value="Salad">Salad</option>
<option value="Soup">Soup</option>
<option value="Wine">Wine</option>
</select>

The size attribute sets the number of items that will be visible in the list.

<select size="3">
<option value="Bread">Bread</option>
<option value="Coffee">Coffee</option>
<option value="Fruit">Fruit</option>
<option value="Pie">Pie</option>
<option value="Salad">Salad</option>
<option value="Soup">Soup</option>
<option value="Wine">Wine</option>
</select>

Using a Select List

When the user selects one of the items in a select list, an onchange event is triggered. The selectedIndex property will then contain the index of the item that the user selected. Select list option indexes start with 0 for the first item.

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HTML5 for Masterminds

How to take advantage of HTML5 to create amazing websites and revolutionary applications

This book is not an introduction of HTML5 but instead a complete course that will teach you how to build compelling websites and amazing web applications from scratch. Every chapter explores basic concepts as well as complicated issues of HTML5, CSS3 and Javascript.

Concepts are supported by fully functional codes to guide beginners and experts through every single tag, style or function included in the specification.

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