JavaScript擷取當前日期是星期幾的方法

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JavaScript擷取當前日期是星期幾的方法

 JavaScript獲得當前日期是星期幾,主要通過getDay函數獲得當前日期是一個星期的第幾天

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<!DOCTYPE html>

<html>

<body>

<p id="demo">

Click the button to display todays day of the week.

</p>

<button onclick="myFunction()">Try it</button>

<script>

function myFunction()

{

var d = new Date();

var weekday=new Array(7);

weekday[0]="Sunday";

weekday[1]="Monday";

weekday[2]="Tuesday";

weekday[3]="Wednesday";

weekday[4]="Thursday";

weekday[5]="Friday";

weekday[6]="Saturday";

var x = document.getElementById("demo");

x.innerHTML=weekday[d.getDay()];

}

</script>

</body>

</html>

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