编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Hello World!</p> <p>The DOM is very useful.</p> <p>This example demonstrates the <b>getElementsByTagName</b> method</p> <p id="demo"></p> <script> var x = document.getElementsByTagName("p"); document.getElementById("demo").innerHTML = 'The first paragraph (index 0) is: ' + x[0].innerHTML; </script> </body> </html>