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源代码：
点击运行
<!DOCTYPE html> <html> <body> 生日: <input type="datetime" id="myDatetime" readonly> <p>点击按钮查看 datetime 字段是否只读。</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myDatetime").readOnly; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
运行结果
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