'defaultChecked' Example : CheckBox : Form Control JAVASCRIPT DHTML TUTORIALS

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'defaultChecked' Example



    
<html>
<body>
<script language="JavaScript">
function function1() {
    if (myRadioButton1.defaultChecked) {
        alert("Radio 1 is checked");
    }
    if (myRadioButton2.defaultChecked) {
        alert("Radio 2 is checked");
    }
    if (myCheckBox.defaultChecked) {
        alert("Checkbox is checked");
    } 
} 
</script>
<input id="myRadioButton1" type="radio" checked value="radiobutton">Radio 1<br>
<input id="myRadioButton2" type="radio" value="radiobutton">Radio 2<br>
<input id="myCheckBox" type="checkbox" value="checkbox" checked>Checkbox</p>
<input type="button" value='Click here' onclick="function1();">
</body>
</html>