JavaScript Reference/Javascript Properties/checked
Содержание
"checked" Example
<source lang="javascript">
<html> <body> <form> <script>
function function1() { document.all.R1.checked = true; } function function2() { document.all.R2.checked = true; } function function3() { document.all.R3.checked = true; } function function4() { document.all.R4.checked = true; }
</script>
<input id="R1" type="radio" name="radiobutton" value="radiobutton">VISA
<input id="R2" type="radio" name="radiobutton" value="radiobutton">MASTERCARD
<input id="R3" type="radio" name="radiobutton" value="radiobutton">DISCOVER
<input id="R4" type="radio" name="radiobutton" value="radiobutton">AMERICAN EXPRESS
<input type="button" value="VISA checked" onClick="function1();">
<input type="button" value="MASTERCARD checked" onClick="function2();">
<input type="button" value="DISCOVER checked" onClick="function3();">
<input type="button" value="AMERICAN EXPRESS checked" onClick="function4();">
</form>
</body>
</html>
</source>
"checked" is applied to
<source lang="javascript">
+----------------+--------------------------------------------------------------+ | Applied_To |<input type="checkbox"> <input type="radio"> | +----------------+--------------------------------------------------------------+
</source>
"checked" Possible Values
<source lang="javascript">
Possible Values true false.
</source>
"checked" Syntax and Note
<source lang="javascript">
Note: Read and write property. Whether or not a checkbox or radio button is checked.
Syntax:
document.getElementById("inputID").checked = value document.all.inputID.checked = value // IE only
</source>