How to prevent the page from reloading or refreshing on cancel option?

Question

I am trying to prevent the page from reloading or submitting when the user clicks the Cancel option. I looked around stackoverflow and have the same syntax for the problem I'm having, but I tried something like this and it still submits and reload the page on cancel option. How do I prevent it from doing anything and leave the page as-is on cancel?

JavaScript code:

// create an input element
var frm = document.getElementById("result");
var submitBtn = document.createElement("input");
submitBtn.type = "submit";
submitBtn.value = "Confirm Purchase";
frm.appendChild(submitBtn);
submitBtn.addEventListener('click', function()
{
    // confirm the data
    var submitQ = confirm('Are you sure you want to submit your DSLR selections?');
    if(submitQ)
    {
    alert('Your query has been submitted! Have a great day! :)');
    }
    else document.getElementById("result").onsubmit = false; // prevent the page from refreshing on Cancel option
});

HTML Code:

<form id="result" onsubmit="true">
    <!--Store User Selection Text Node Element Here-->
        <!--<p>Your DSLR budget range selected was:</p>
    <p>The DSLR brand you selected was:</p>
    <p>The type of photography you selected was:</p>
    <p>The type of lenses you selected was:</p>
    <input type="submit" value="Confirm Purchase"/>
    <input type="button" value="Reset All"/>-->
</form>

Answer 1

Change your event handler to address the form onsubmit event rather than the submit buttons click event. And return false if the user cancels :

frm.onsubmit = function(){
    // confirm the data
    var submitQ = confirm('Are you sure you want to submit your DSLR selections?');
    if(submitQ)
    {
    alert('Your query has been submitted! Have a great day! :)');
    } else {
       // prevent the page from refreshing on Cancel option
       return false;
    }
};

see fiddle -> http://jsfiddle.net/LGd2f/