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typescript rest parameters tutorial

A TypeScript function is a group of statements which is used for performing a specific task. It provides the facility of code re-usability.

When we talked about optional and default parameters all have one common thing, they talk about one parameter at a time. Sometimes we need multiple parameters as a group. used in such situations. They are act as the placeholder for multiple arguments of the same type. Use the ellipsis (…) as the prefix of rest parameter.

Typescript rest parameters syntax:

function function_name (…param1:datatype)

Typescript rest parameters example:

function showNames(...names:string[]) {    
   for(var i = 0;i<names.length;i++) { 
showNames("Mahesh", "Jai", "Narender", "Vishal", "Hemant");

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TypeScript Tutorial

TypeScript Overview.
Typescript vs Javascript.
Typescript let vs var.
TypeScript Hello World.
Typescript Data Types.
Typescript Variable Declaration.
TypeScript operators list.
TypeScript Arithmetic Operators.
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TypeScript Assignment Operators.
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Typescript String Operator.
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TypeScript Switch Statement.
TypeScript for loop.
TypeScript for in loop.
TypeScript while loop.
TypeScript do while loop.
Typescript for loop break.
TypeScript for loop continue.
Typescript function.
Typescript returning function.
Typescript parameterized function.
Typescript function optional parameter.
Typescript rest parameters.
Typescript default parameters.
Typescript anonymous function.
Typescript function constructor.
Typescript Arrow/Lambda function.
Typescript function overloading.
TypeScript number object.
TypeScript string object.
TypeScript boolean object.
TypeScript date object.
TypeScript math object.
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