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JavaScript: Get the week end date

JavaScript Datetime: Exercise-51 with Solution

Write a JavaScript function to get the week end date.

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Write a JavaScript function to get the week end date</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function endOfWeek(date)
  {
     
    var lastday = date.getDate() - (date.getDay() - 1) + 6;
    return new Date(date.setDate(lastday));
 
  }

dt = new Date(); 

console.log(endOfWeek(dt).toString());

Sample Output:

Sun Jun 24 2018 18:32:20 GMT+0530 (India Standard Time)

Flowchart:

Flowchart: JavaScript- Get the week end date

Live Demo:

See the Pen JavaScript - Get the week end date-date-ex-51 by w3resource (@w3resource) on CodePen.


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Previous: Write a JavaScript function to get the week start date.
Next: Write a JavaScript function to get the month start date.

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JavaScript: Tips of the Day

Promise.all method

const promise1 = Promise.resolve('First')
const promise2 = Promise.resolve('Second')
const promise3 = Promise.reject('Third')
const promise4 = Promise.resolve('Fourth')

const runPromises = async () => {
	const res1 = await Promise.all([promise1, promise2])
	const res2  = await Promise.all([promise3, promise4])
	return [res1, res2]
}

runPromises()
	.then(res => console.log(res))
	.catch(err => console.log(err))

The Promise.all method runs the passed promises in parallel. If one promise fails, the Promise.all method rejects with the value of the rejected promise. In this case, promise3 rejected with the value "Third". We're catching the rejected value in the chained catch method on the runPromises invocation to catch any errors within the runPromises function. Only "Third" gets logged, since promise3 rejected with this value.