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<!DOCTYPE html> <html> <body> <h2>JavaScript getDay()</h2> <p>getDay() 方法将周名作为数字返回：</p> <p>您可以使用数组来显示星期的名称：</p> <p id="demo"></p> <script> var d = new Date(); var days = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"]; document.getElementById("demo").innerHTML = days[d.getDay()]; </script> </body> </html>