In this article, we will understand how we could create a basic Salary Calculator in TypeScript by using simple mathematical logics and operators (like divide(“/”) or multiply (“*”) or addition (“+”)).
Syntax: Following is the syntax of enums:
enum enums_name {
.......
}
Syntax: Following is the class declaration
class class_name {
constructor () {
.....
}
// Methods and variables.....
}
Following are the examples which show enums and class output on execution over the console.
Example 1: In this example, we will simply create enum and class and their randomly passed results.
Javascript
enum fruits_name { APPLE = 'Apple', MANGO = 'Mango', GRAPES = 'Grapes'} console.log('Enums Output : '); console.log(fruits_name); class Person { name : string; constructor (name : string) { this.name = name; } displayName () : void { console.log(`Name of a Person is : ${ this.name}`); } } const person = new Person('neveropen'); person.displayName(); |
Output:
Enums Output :
{ APPLE: 'Apple', MANGO: 'Mango', GRAPES: 'Grapes' }
Name of a Person is : neveropen
Now that we have understood in detail about enums and classes let us dive into our task of creating a basic Salary Calculator through the following example.
Example 2: In this example, we will create a basic salary calculator, in which the user will pass a total salary amount and further our logic will separate Basic Salary, Medical amount, House Rent amount, and Conveyance amount and displays the result over the console.
Javascript
enum SalaryDivision { // Following values could be considered in % Basic = 50, HouseRent = 30, Medical = 10, Conveyance = 10 } class SalaryCalculator { GrossSalary : number; constructor(GrossSalary : number) { this.GrossSalary = GrossSalary; } displaySalary() : void { let BasicSalary : number = (this.GrossSalary * SalaryDivision.Basic) / 100; let HouseRent : number = (this.GrossSalary * SalaryDivision.HouseRent) / 100; let Medical : number = (this.GrossSalary * SalaryDivision.Medical) / 100; let Conveyance : number = (this.GrossSalary * SalaryDivision.Conveyance) / 100; console.log("Basic Salary : " + BasicSalary); console.log("HouseRent : " + HouseRent); console.log("Medical : " + Medical); console.log("Conveyance : " + Conveyance); } } let salary1 = new SalaryCalculator(1000000); let salary2 = new SalaryCalculator(50000000); salary1.displaySalary(); salary2.displaySalary(); |
Output:
Basic Salary : 500000 HouseRent : 300000 Medical : 100000 Conveyance : 100000 Basic Salary : 25000000 HouseRent : 15000000 Medical : 5000000 Conveyance : 5000000
Reference: https://www.typescriptlang.org/docs/handbook/enums.html
