如何修改下面的JS,让它告诉我复选框是选中还是未选中?
function toggleOption(x)
{
if (???)
alert("Checkbox with number " + x + " was checked");
else
alert("Checkbox with number " + x + " was UNchecked");
}
<input type="checkbox" onclick="toggleOption(1)">
为了清楚起见,我需要检查用户单击复选框时是否选中了复选框。我不需要使用JavaScript选中或取消选中该框(该部分将由用户完成)
发布于 2018-06-07 03:52:39
input具有checked
属性,您可以检查该属性以了解checkbox的状态
function toggleOption(x)
{
var checked = document.querySelector("input").checked;
if (checked)
alert("Checkbox with number " + x + " was checked");
else
alert("Checkbox with number " + x + " was UNchecked");
}
<input type="checkbox" onclick="toggleOption(1)">
https://stackoverflow.com/questions/50728480
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