편집 강령:
결과보기 »
그것을 자신을 시도 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Click the "Try it" button to underline the H1 element:</p> <button onclick="myFunction()">Try it</button> <h1 id="myH1">This is my header</h1> <script> function myFunction() { document.getElementById("myH1").style.textDecoration = "underline"; } </script> </body> </html>