DOM - CSS
改变 HTML 样式
<p id="p2">Hello World!</p> <script> document.getElementById("p2").style.color="blue"; </script>
<!DOCTYPE html> <html> <body> <p id="p1">这是一段文本。</p> <input type="button" value="隐藏文本" onclick="document.getElementById('p1').style.visibility='hidden'" /> <input type="button" value="显示文本" onclick="document.getElementById('p1').style.visibility='visible'" /> </body> </html>