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JavaScript: Check whether a date is a weekend date

JavaScript Datetime: Exercise-7 with Solution

Write a JavaScript function to test whether a date is a weekend.

Test Data :
console.log(is_weekend('Nov 15, 2014'));
console.log(is_weekend('Nov 16, 2014'));
console.log(is_weekend('Nov 17, 2014'));
Output :
"weekend"
"weekend"
undefined

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JavaScript Weekend test</title>
</head>
<body>
</body>
</html>

JavaScript Code:

var is_weekend =  function(date1){
    var dt = new Date(date1);
     
    if(dt.getDay() == 6 || dt.getDay() == 0)
       {
        return "weekend";
        } 
}

console.log(is_weekend('Nov 15, 2014'));
console.log(is_weekend('Nov 16, 2014'));
console.log(is_weekend('Nov 17, 2014'));

Sample Output:

weekend
weekend
undefined

Flowchart:

Flowchart: JavaScript- Check whether a date is a weekend date

Live Demo:

See the Pen JavaScript - Check whether a date is a weekend date-date-ex- 7 by w3resource (@w3resource) on CodePen.


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Next: Write a JavaScript function to get difference between two dates in days.

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JavaScript: Tips of the Day

Convert tabs to spaces, where each tab corresponds to count spaces

Example:

const tips_expandTabs = (str, count) => str.replace(/\t/g, ' '.repeat(count));
console.log(tips_expandTabs('\t\tw3resource', 4)); 

Output:

"        w3resource"