help me to execute this program. looks like everything is rite. still i'm not getting the output. plz help..

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HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Test</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script type="text/javascript">
    var selectBrand = $("#brand");
    var selectType = $("#type");

    var optionsList = {
        nokia: [
        "C6-01",
        "E7-00"
    ],
        apple: [
        "iPhone 3",
        "iPhone 3G",
        "iPhone 4"
    ]
    };

    selectBrand.change(function () {
        var brand = selectBrand.val();
        var options = optionsList[brand];
        var html;

        if (options) {
            html = '<option value="">- select -</option>';
            $.each(options, function (index, value) {
                html += '<option value="' + value + '">' + value + '</option>';
            });
        } else {
            html = '<option value="">Select a brand</option>';
        }
        selectType.html(html);
    }).change();
</script>

</head>
<body>
    
    
<select id="brand">
    <option value="">- select -</option>
    <option value="nokia">Nokia</option>
    <option value="apple">Apple</option>
</select>

<hr>

<select id="type">
</select>
</body>
</html>

Posted 13-May-15 0:49am

kiran gowda8

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Comments

Andy Lanng 13-May-15 7:17am

What is the error?
Where is the error?
What happens that you don't expect?

kiran gowda8 14-May-15 1:54am

<select id="type">
</select>
it has to display the optionlist elements upon selecting nokia or apple. but its not displaying

1 solution

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Karthik_Mahalingam · Accepted Answer · 2015-05-13T01:28:00

Try this, just added your scripts inside document ready event of jquery.

JavaScript

<script type="text/javascript">


        var optionsList = {
            nokia: [
            "C6-01",
            "E7-00"
            ],
            apple: [
            "iPhone 3",
            "iPhone 3G",
            "iPhone 4"
            ]
        };

        $(function () { // added your code inside document ready function
            var selectBrand = $("#brand");
            var selectType = $("#type");

          //  console.log('on load');
            selectBrand.change(function () {
              //  console.log('test');
                var brand = selectBrand.val();
                var options = optionsList[brand];
                var html;

                if (options) {
                    html = '<option value="">- select -</option>';
                    $.each(options, function (index, value) {
                        html += '<option value="' + value + '">' + value + '</option>';
                    });
                } else {
                    html = '<option value="">Select a brand</option>';
                }
                selectType.html(html);
            }).change();
        });
    </script>