点击运行
<!DOCTYPE html> <html> <body> <h3>演示如何访问 LABEL 元素</h3> <label id="myLabel" for="male">Male</label> <input type="radio" name="sex" id="male" value="male"><br> <p>点击按钮来获得 label 所绑定元素的 id。</p> <p id="demo"></p> <button onclick="myFunction()">试一下</button> <script> function myFunction() { var x = document.getElementById("myLabel").htmlFor; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
运行结果
