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<!DOCTYPE html> <html> <body> <h2>JavaScript setDate()</h2> <p>setDate() 方法可用于向日期添加天数。</p> <p id="demo"></p> <script> var d = new Date(); d.setDate(d.getDate() + 50); document.getElementById("demo").innerHTML = d; </script> </body> </html>
运行结果
