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<!DOCTYPE html>
<html>
<body>
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<h1>演示如何访问 Week field</h1>
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<input type="week" id="myWeek" value="2023-W03">
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<p>单击该按钮可获取 week 字段的 week 和 year。</p>
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<button onclick="myFunction()">试一试</button>
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<p><b>注释：</b>IE11、Firefox 或 Safari 不支持 type="week" 的 input 元素。</p>
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<p id="demo"></p>
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<script>
function myFunction() {
  var x = document.getElementById("myWeek").value;
  document.getElementById("demo").innerHTML = x;
}
</script>
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</body>
</html>
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