javascript

how to create random question using javascript?

View Answers

March 2, 2012 at 11:46 AM

<html>    
<script>
    function displayQuestions() {
       document.getElementById("text").value=" ";
       var Questions = new Array(20);
       Questions[0] = "What is the capital of India ?";
       Questions[1] = "What is the capital of USA ?";
       Questions[2] = "What is the capital of Sri Lanka ?";
       Questions[3] = "What is the capital of New Zealand ?";
       Questions[4] = "What is the capital of England ?";
       Questions[5] = "What is the capital of South Africa ?";
       Questions[6] = "What is the capital of Japan ?";
       Questions[7] = "What is the capital of China ?";
       Questions[8] = "What is the capital of Australia ?";
       Questions[9] = "What is the capital of Pakistan ?";
       var QCount = 0;

       QNumber = Math.round(10 * Math.random());
       if (null != Questions[QNumber]) {
       document.getElementById("lab").innerHTML=Questions[QNumber];
       document.getElementById("text").style.visibility="visible";
       QCount++;
       Questions[QNumber] = null; 
       }
    }
    </script>

     <pre>
    <input type="button" value="Question" onclick="displayQuestions();">

    <label id="lab"></label>

    <input type="text" id="text" style="visibility:hidden;">
    </pre>
</html>

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