Untitled

<!DOCTYPE html>
<html lang = "en">
    <head>
        <title>Stopwatch</title>
    </head>
    <body>
        <div>Seconds: <span id="time"></span></div>
        <input type="button" id="startTimer" value="Start Timer" onclick="start();"><br/>
        <input type="button" id="stopTimer" value="Stop Timer"  onclick="stop();"><br/>
        <input type="button" id="resetTimer" value="Reset Timer"  onclick="reset();"><br/>
        <script src= "timer.js"></script>
    </body>
</html>

var myTimer = 0;
var myTimer = setInterval(start, 1000);
function start() {
    document.getElementById("time").innerHTML = ++myTimer;
}
function stop() {
    document.getElementById("time").innerHTML = clearInterval(myTimer);
}
function reset() {

}