Determining Whether a Checkbox Object Is Checked : CheckBox : Form Control JAVASCRIPT DHTML TUTORIALS

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Determining Whether a Checkbox Object Is Checked



<html>
<head>
<title>Online Registration</title>
<SCRIPT LANGUAGE="JavaScript">
     function selectText(currentObject) {
          if (document.form1.selectBox.checked) {
               currentObject.select()
          }
     }
</SCRIPT>
</head>
<body>
    <form name="form1" method="POST">
    <h2>Online Registration</h2>
    <p>Username:<br>
    <input type=text size=25 maxlength=256 name="Username" onFocus="selectText(this)">
    <br>Browser used:<br>
    <input type=text size=25 maxlength=256 name="Browser" onFocus="selectText(this)">
    <br>
    Email address:<strong> <br>
    </strong>
    <input type=text size=25 maxlength=256 name="EmailAddress" onFocus="selectText(this)">
    </p>
    
    <h2>
    <input type=submit value="Register"> 
    <input type=reset value="Clear">
    </h2>
    <p>
    <input type=checkbox name="selectBox">Activate field selection.
    </form>
</body>
</html>