​x
 
<!DOCTYPE html>
<html>
<body>
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<h3>演示如何访问 Input Week 字段</h3>
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<input type="week" id="myWeek" value="2014-W15">
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<p>点击按钮来获得 week 字段的周和年。</p>
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<button onclick="myFunction()">试一下</button>
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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>
​
</body>
</html>
​