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How to use JavaScript’s getday method
- 藏色散人Original
- 2021-11-08 14:21:124783browse
JavaScript's getday method is used to specify the day of the week. Its usage syntax is "Date.getDay()". If the return value is 0, it means Sunday, if it is 1, it means Monday, and so on.
The operating environment of this article: windows7 system, javascript version 1.8.5, Dell G3 computer.
How to use JavaScript’s getday method?
getDay() method returns the day of the week (from 0 to 6) for the specified date.
Note: Sunday is 0, Monday is 1, and so on.
Syntax
Date.getDay()
Parameters: No parameters.
Return value: Numeric value, from 0 to 6, indicating the day of the week.
Code example:
<!DOCTYPE html>
<html>
<body>
<p>单击该按钮可显示今天是星期几。</p>
<button onclick="myFunction()">试一试</button>
<p id="demo"></p>
<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 n = weekday[d.getDay()];
document.getElementById("demo").innerHTML = n;
}
</script>
</body>
</html>[Recommended learning: javascript basic tutorial]
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