combobox html code example
Example 1: html form select
<!-- O segundo valor estará selecionado inicialmente -->
<select name="select">
<option value="valor1">Valor 1</option>
<option value="valor2" selected>Valor 2</option>
<option value="valor3">Valor 3</option>
</select>
Example 2: dropdown in html
<select>
<option value="actual value 1">Display Text 1</option>
<option value="actual value 2">Display Text 2</option>
<option value="actual value 3">Display Text 3</option>
</select>
Example 3: html select list
<label for="cars">Choose a car:</label>
<select id="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</select>
Example 4: html create drop down list
<html>
<head>
<title>Selection Inputs</title>
</head>
<body>
<form>
<label for="selector"> <!-- Can add label if want -->
<p>A "select" element allows users to input from a selection:</p>
<select id="selector"> <!-- Use "select" to create object -->
<option>Option 1</option> <!-- Add all applicable options -->
<option>Option 2</option>
<option selected>Option 3</option> <!-- add selected to change default from first option -->
<optgroup label="Group"> <!-- To create nested options for categories use "optgroup" -->
<option>Option 4</option>
<option>Option 5</option>
</select>
</label>
</form>
</body>
</html>