Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <h3>如何访问 SECTION 元素的演示</h3> <section id="mySection"> <h1>节标题</h1> <p>节中的一些文字..</p> </节> <p>单击该按钮可将节内容的文本颜色设置为红色。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.getElementById("mySection"); x.style.color = "red"; } </script> </body> </html>