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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <body> <p>单击该按钮创建一个带有一些文本的图例元素。</p> <fieldset id="myFieldset"> Name: <input type="text"> </fieldset><br> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.createElement("LEGEND"); var t = document.createTextNode("Personalia:"); x.appendChild(t); document.getElementById("myFieldset").appendChild(x); } </script> </body> </html>