W3School TIY Editor
W3School 在线教程
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暗黑模式
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<html> <head> <script type="text/javascript"> function alertId() { var txt="Id: " + document.getElementById("male").id txt=txt + ", type: " + document.getElementById("male").type txt=txt + ", value: " + document.getElementById("male").value alert(txt) } </script> </head> <body> <form> Male: <input id="male" type="radio" name="Sex" value="Male" /> <br /> Female: <input id="female" type="radio" name="Sex" value="Female" /> <br /><br /> <input type="button" value="Alert details" onclick="alertId()" /> </form> </body> </html>