In this article I will explain with an example, how to Delete (Remove) selected Item (Option) from DropDownList (DropDown) using JavaScript and jQuery.
 
 
Delete (Remove) selected Item (Option) from DropDownList using JavaScript
The following HTML Markup consists of an HTML DropDownList (DropDown) control and a Button.
When the Button is clicked, the DeleteValues JavaScript function is executed. Inside this function, a loop is executed over the DropDownList (DropDown) items (options) and the selected item (option) of the HTML DropDownList (DropDown) control is removed (deleted).
<select id="ddlFruits" style="width: 150px;">
    <option value="1">Mango</option>
    <option value="2">Apple</option>
    <option value="3">Banana</option>
    <option value="4">Guava</option>
    <option value="5">Pineapple</option>
    <option value="6">Papaya</option>
    <option value="7">Grapes</option>
</select>
<br />
<hr />
<input type="button" id="btnDelete" value="Delete" onclick="DeleteValues();"/>
<script type="text/javascript">
    function DeleteValues() {
        var dropDown = document.getElementById("ddlFruits");
        for (var i = 0; i <= dropDown.options.length; i++) {
            if (dropDown.options[i].selected) {
                dropDown.removeChild(dropDown.options[i]);
                break;
            }
        }
    }
</script>
 
 
Delete (Remove) selected Item (Option) from DropDownList using jQuery
The following HTML Markup consists of an HTML DropDownList (DropDown) control and a Button.
When the Button is clicked, the jQuery click event handler is executed. Inside this event handler, the selected item (option) of HTML DropDownList (DropDown) control is removed (deleted).
<select id="ddlFruits" style="width: 150px;">
    <option value="1">Mango</option>
    <option value="2">Apple</option>
    <option value="3">Banana</option>
    <option value="4">Guava</option>
    <option value="5">Pineapple</option>
    <option value="6">Papaya</option>
    <option value="7">Grapes</option>
</select>
<br />
<hr />
<input type="button" id="btnDelete" value="Delete" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript">
    $(function () {
        $("#btnDelete").bind("click", function () {
            $("#ddlFruits option:selected").remove();
        });
    });
</script>
 
 
Screenshot
Delete (Remove) selected Item (Option) from DropDownList using JavaScript and jQuery
 
 
Browser Compatibility

The above code has been tested in the following browsers.

Internet Explorer  FireFox  Chrome  Safari  Opera 

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Demo
 
 
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