如果通过javascript检查另一个复选框，如何自动取消选中复选框？ [英] How to automatically uncheck a checkbox if another checkbox is checked through javascript?

问题描述

我有一个复选框Birthdate，仅显示mm / dd。在它下面还有另一个名为ShowYear的复选框，它显示年份，只有选中Bithdate复选框时才会显示此复选框。

I have a checkbox Birthdate which shows the mm/dd only.And below it there is another checkbox called ShowYear which shows the year and this checkbox is only visible if the Bithdate checkbox is checked.

现在，如果通过javascript取消选中Birthdate复选框
，我想自动取消选中ShowYear复选框。

Now I want to uncheck the ShowYear checkbox automatically if the Birthdate checkbox is unchecked through javascript.

推荐答案

<input id="cbxBirthDate" type="checkbox" onClick="javascript:uncheckShowYear(this);" />
<input id="cbxShowYear" type="checkbox" />


<script language="javascript" type="text/javascript">
function uncheckShowYear(obj)
        {
            if (obj.checked == false)
            {
                document.getElementById("cbxShowYear").checked = false;
            }
        }
</script>

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