Problem statementSend feedbackSuppose you have a list of employees in a company, and each employee is represented as an object with the following properties:"id" - a unique identifier for the employee"name" - the employee's name"department" - the department the employee works in"salary" - the employee's current salaryObjectives:You want to make a modification to the list of employees to reflect a recent company-wide salary increase. You have been provided with the following information:Salaries for employees in the "sales" department should be increased by 10%.Salaries for employees in the "engineering" department should be increased by 15%.Salaries for employees in all other departments should be increased by 5%.You need to write a function "increaseSalaries" that takes an array of employee objects and returns a new array of employee objects where each employee's salary has been updated based on their department. The original array of employees should be left unchanged.
Question
Problem statementSend feedbackSuppose you have a list of employees in a company, and each employee is represented as an object with the following properties:"id" - a unique identifier for the employee"name" - the employee's name"department" - the department the employee works in"salary" - the employee's current salaryObjectives:You want to make a modification to the list of employees to reflect a recent company-wide salary increase. You have been provided with the following information:Salaries for employees in the "sales" department should be increased by 10%.Salaries for employees in the "engineering" department should be increased by 15%.Salaries for employees in all other departments should be increased by 5%.You need to write a function "increaseSalaries" that takes an array of employee objects and returns a new array of employee objects where each employee's salary has been updated based on their department. The original array of employees should be left unchanged.
Solution
Here is a step-by-step solution in JavaScript:
- First, define the function
increaseSalariesthat takes an array of employee objects as an argument:
function increaseSalaries(employees) {
- Inside the function, use the
mapmethod to create a new array of employee objects. Themapmethod creates a new array with the results of calling a provided function on every element in the array it was called upon.
return employees.map(employee => {
- Inside the
mapmethod, use aswitchstatement to check the department of each employee and increase their salary accordingly:
switch (employee.department) {
case 'sales':
employee.salary *= 1.10;
break;
case 'engineering':
employee.salary *= 1.15;
break;
default:
employee.salary *= 1.05;
}
- After the
switchstatement, return the modified employee object:
return employee;
});
}
- The complete function should look like this:
function increaseSalaries(employees) {
return employees.map(employee => {
switch (employee.department) {
case 'sales':
employee.salary *= 1.10;
break;
case 'engineering':
employee.salary *= 1.15;
break;
default:
employee.salary *= 1.05;
}
return employee;
});
}
This function will return a new array of employee objects with updated salaries, leaving the original array unchanged.
Similar Questions
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