Display current time by javascript

In this post we will learn how to display current time on the web page using by few javascript code. 

few javascript code given to below for display current time to click button and show current time. 

You can use that code for display current time. 

Code:

<label>Time:</label>

<label id="tm"></label><br>

<input type="button" value="SHOW TIME" id="showBtn" onclick="my()">

<script>

    var c =0;

    var t;

    function checkTime(i)

    {

        if(i<10)

        {

            i ="0"+i;

        }

        return i;

    }

    function my()

    {

        document.getElementById("showBtn").style.display="none";

c = c+1;

t= setTimeout(my,1000);

        var today = new Date();

        var h = today.getHours();

        var m = today.getMinutes();

        var s = today.getSeconds();

        h = checkTime(h);

        m = checkTime(m);

        s = checkTime(s);

        document.getElementById('tm').innerHTML=h+":"+m+":"+s;

    }

</script>

OUTPUT

Time: