Days of the week are represented as three-letter strings ("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"). Write a javaScript f

Question

2 months ago

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Days of the week are represented as three-letter strings ("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"). Write a javaScript f

unction solution that, given a string S representing the day of the week and an integer K (between 0 and 500), returns the day of the week that is K days later. For example, given S = "Wed" and K = 2, the function should return "Fri". Given S = "Sat" and K = 23, the function should return "Mon".

Computers and Technology

1 answer:

Harlamova29_29 [1K] · Answer 1 · 2026-02-15T23:39:03+03:00

Answer:

function getDay(s, k) {

var weekDays = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];

var index = weekDays.findIndex(function(day) { return day === s; });

return weekDays[(index + k) % 7];

}

Explanation:

// This function takes two parameters:

// s: a string representing the current day of the week

// k: an integer indicating how many days after s to find the result

function getDay(s, k) {

var weekDays = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];

// Find the index of day s in weekDays array

var index = weekDays.findIndex(function(day) { return day === s; });

// Calculate the new index by adding k and using modulo 7 to wrap around

return weekDays[(index + k) % 7];

}