Refresh the TextField box automatically : Text TextField « Form « JavaScript Tutorial

<title>A Simple Page</title>
<script language="JavaScript">
function gettime() {
    var date= new Date();
    var hr = date.getHours();
    var m = date.getMinutes();
    var s = date.getSeconds();
    if(m < 10)
        m = "0" + m
    if(s < 10)
        s = "0" + s
    document.clockform.clock.value = hr + ":" + m + ":" + s;
//  -->
<body onload="gettime()">
<form name="clockform">
<input type="text" name="clock">

10.15.Text TextField
10.15.1.Retrieving Text in form button action
10.15.2.Displaying the value entered in a text field
10.15.3.TextField requests focus
10.15.4.onFocus event handler
10.15.5.Capture key event in a textfield
10.15.6.TextField onblur action event
10.15.7.TextArea onmouseup action event
10.15.8.Refresh the TextField box automatically
10.15.9.Compare the value in text field
10.15.10.Select all text in a TextBox
10.15.11.Text Input Events
10.15.12.Compare the value in TextField
10.15.13.Getting and Setting a Text Object's value Property
10.15.14.Resetting a Text Object to Default Value