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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> </head> <body> 时间: <input type="time" id="myTime" readonly> <p>点击按钮查看 time 字段是否为只读。</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myTime").readOnly; document.getElementById("demo").innerHTML = x; } </script> </body> </html>