How to display the current day of the week on a button?

Question

Is it possible to automatically display the day of the week on a button?

Please refer to the markup below, I need to make "Monday" display as the current day of the week.

<button class="button">征服星期一</button>

Answer 1

Can you use this js code to use Date().getDay() to return the day of the week between 0 and 6 and use the weekdays list to represent the day of the week?

//获取具有id的按钮
  const button = document.getElementById("dayButton");
  //星期几的数组
  const weekdays = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
  //当前星期几的索引
  const currentDayiIndex = new Date().getDay();
  //点击按钮显示星期几
    dayButton.addEventListener("click",()=>{
        day.innerHTML = weekdays[currentDayiIndex]
        button.innerHTML = "征服" + weekdays[currentDayiIndex];
        })

<button class="button" id="dayButton">显示星期几</button>
<p id="day"></p>

hope this helps

Answer 2

You can use Date::toLocaleDateString to display the current day of the week:

document.querySelector('.button').textContent = '征服 ' + new Date().toLocaleDateString('en-us', {weekday:'long'});

<button class="button"></button>