IBM to offer mobile security as a service IBM will start delivering mobile security-as-a-service (MaaS) through its own cloud infrastructure in India, a move that is expected to better address in-country data requirements... IBM Spectrum Computing: IBM has enlarged its portfolio of software-defined infrastructure solutions with cognitive features for workload management.  * LiFi internet technology has been introduced, the new type of wireless internet connection that gives 100 times faster than traditional WiFi -- Invented by Professor Harald Haas from the University of Edinburgh. * Sci. Rachid Yazami has developed a smart chip that charges smartphones in less than 10 minutes. BenQ has launched BlueCore projector - Consumer electronics major BenQ has launched its first BlueCore laser light source projector. For those unaware, devices with BlueCore laser technology have a high contrast output of 80000:1 with an extended lamp life and efficiency. *** 
  Jan 3 2015 10:32PM     John
  0 Comments    4994 Views  
Validating the HTML control is a very important task in any application development.Now this page shows you how to validate the dropdown using java script.

<script type="text/javascript">
        function ddlValidate() {
            var e = document.getElementById("ddlView");
            var optionSelIndex = e.options[e.selectedIndex].value;
            var optionSelectedText = e.options[e.selectedIndex].text;
            if (optionSelIndex == 0) {
                alert("Please select a Course");
            else {
                alert("Success !! You have selected Course : " + optionSelectedText); ;


        <span>Select the course : </span>
        <select id="ddlView">
            <option value="0">Select</option>
            <option value="1">Java Script</option>
            <option value="2">CSS</option>
            <option value="3">JQuery</option>
            <option value="3">HTML</option>
            <option value="3">C#</option>
    <br >
    <input type="button" class="btn" value="Submit" id="btnSubmit" onclick="ddlValidate();" />


<style type="text/css">
            line-height: 2.0;
            border-radius: 4px;
            border: none;
            font-size: 14px;
            cursor: pointer;
            color: #fff;
            background-color: #00a9da;
            border-color: #0094bf;


You can see live demo from clicking the below Submit button.
Select the course :

Hi, This is John.I hope this page will helps you to validate dropdown using Javascript.Thanks.

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