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Input Week autofocus 属性
tryjsref_week_autofocus
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<!DOCTYPE html> <html> <body> <input type="week" id="myWeek" autofocus> <p>Click the button to find out if the week field automatically gets focus when the page loads.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myWeek").autofocus; document.getElementById("demo").innerHTML = x; } </script> </body> </html>