Multiselect list selected values in JS

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How to get the values selected in a Multiselect html dropdown list in javascript before submitting the form?Please help

Posted 30-Oct-13 11:56am

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SrikantSahu · Answer 1 · 2013-10-30T21:35:00

HTML

<html>
<head>
    <meta charset="UTF-8" />
    <title>Multi Select</title>
    <script language="JavaScript">
        function getSelectedValues() {
            var dropDown = document.getElementById('dd1'), countryArray = [], i;
            for (i = 0; i < dropDown.options.length ; i += 1) {
                if (dropDown.options[i].selected) {
                    //countryArray.push( dropDown.options[i].value); //If you need only values 
                    countryArray.push({ Name: dropDown.options[i].text, Value: dropDown.options[i].value });
                }
            }
            console.log(countryArray);
            return false;
        }
    </script>

</head>
<body>
    <form onsubmit="return getSelectedValues()">
        <label>Multi Select dropdown </label>
        <select id="dd1" multiple="true">
            <option value="0">India</option>
            <option value="1">Pakistan</option>
            <option value="2">China</option>
            <option value="3">Sri-Lanka</option>
            <option value="4">Bangladesh</option>
        </select>
        <br />
        <input type="submit" value="Submit" />
    </form>
</body>
</html>