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Input Datetime max 属性
tryjsref_datetime_max2
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<!DOCTYPE html> <html> <body> Date and time: <input type="datetime" id="myDatetime" min="2000-01-01T22:57Z" max="2014-02-06T22:57Z"> <p>Click the button to change the value of the max attribute of the datetime field.</p> <button onclick="myFunction()">Try it</button> <p><strong>Note:</strong> input elements with type="datetime" do not show as any datetime field/calendar in any of the major browsers, except Safari.</p> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myDatetime").max = "2012-01-01T11:57Z"; document.getElementById("demo").innerHTML = "The value of the max attribute was changed from ''2014-02-06T22:57Z'' to ''2012-01-01T11:57Z''."; } </script> </body> </html>