Navigator 2.0, Internet Explorer 3.0
radio.defaultChecked
defaultChecked is a read-only Boolean property of the Radio object. It is true if the Radio button is initially selected--i.e., if the CHECKED attribute appears in the Radio's HTML <INPUT> tag. If this tag does not appear, then the Radio button is initially deselected, and defaultChecked is false.
You can use the defaultChecked property to reset a group of radio buttons back to its default state. You might do this when the user selects a Reset button in a form, for example. You can reset a group of radio buttons with the following function:
function resetRadio(radio_group) { var i; for(i =index.html 0; i < radio_group.length; i++) { if (radio_group[i].defaultChecked) { radio_group[i].checked = true; break; } } }
file: /Techref/language/JAVA/SCRIPT/definitive/refp_317.htm, 4KB, , updated: 2019/10/14 15:00, local time: 2024/12/24 08:11,
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