Set the select control value : Option Select ComboBox « Form Control « JavaScript DHTML

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JavaScript DHTML » Form Control » Option Select ComboBox 
Set the select control value
  

<html>
<head>
    <title>Pizza</title>
    <script type = "text/javascript">
    function flip(pizzatype) {
        if (pizzatype.value == "A") {
            document.forms["pizzaform"].topping.value = "aa";
        else if (pizzatype.value == "B") {
            document.forms["pizzaform"].topping.value = "bb";
        else if (pizzatype.value == "C") {
            document.forms["pizzaform"].topping.value = "cc";
        }
    }
    </script>
</head>
<body>
<form id="pizzaform" action="#" onsubmit="return false;">
    <p>
        <input type="button" name="valueA" onclick="flip(valueA)" value="A"/>
        <input type="button" name="valueB" onclick="flip(valueB)" value="B" />
        <input type="button" name="valueC" onclick="flip(valueC)" value="C" />
    </p>
    <p>Main Topping: <select name="topping">
    <option value="aa" selected="selected">Cheese</option>
    <option value="bb">Veggies</option>
    <option value="cc">Meat</option>
    <option value="dd">Ham & Pineapples</option>
    </select></p>
</form>
</body>
</html>

   
    
  
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