点击运行
<!DOCTYPE html> <html> <body> <h2>JavaScript setFullYear()</h2> <p>setFullYear() 方法设置日期对象的年份：</p> <p id="demo"></p> <script> var d = new Date(); d.setFullYear(2020); document.getElementById("demo").innerHTML = d; </script> </body> </html>
运行结果
