Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <p>单击该按钮以获取正文元素的子元素的标签名称。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var c = document.body.children; var txt = ""; var i; for (i = 0; i < c.length; i++) { txt = txt + c[i].tagName + "<br>"; } document.getElementById("demo").innerHTML = txt; } </script> </body> </html>