fra*_*gon 2 html javascript forms arrays json
我是.js的新手,我将从.js复选框形式的答案导出到JSON数组时遇到问题.
我的HTML:
<form>
<input type="checkbox" name="Question1" id="Answer1" value="Answer1" onclick="show_checked()"/><label for="Answer1">Answer 1</label><br/>
<input type="checkbox" name="Question1" id="Answer2" value="Answer2" onclick="show_checked()"/><label for="Answer2">Answer 2</label><br/>
<input type="checkbox" name="Question1" id="Answer3" value="Answer3" onclick="show_checked()"/><label for="Answer3">Answer 3</label><br/>
</form>
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我的Javascript:
function set_checked(checked)
$('input[name=foo]').attr('checked', checked);
}
$(document).ready(function () {
$("input[name='Question1']").change(function () {
var maxAllowed = 2;
var cnt = $("input[name='Question1']:checked").length;
if (cnt > maxAllowed) {
$(this).prop("checked", "");
alert('Choose max. ' + maxAllowed + ' answers');
}
});
});
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问题是,如何将已选中复选框的ID或值发送到JSON数组?
获取数组的值
var array = $("input[name='Question1']:checked").map(function(){
return this.value;
}).get()
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获取数组的ID
var array = $("input[name='Question1']:checked").map(function(){
return this.id;
}).get()
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看看这段代码是否有帮助
var objArray = [];
$("input[name='Question1']:checked").each(function (index, elem) {
var id = $(this).attr('id');
var val = $(this).val();
var obj = {
Id = id,
Value = val
};
objArray.push(obj);
});
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