Skip to main content

Posts

Showing posts with the label TypeScript Anonymous Functions

TypeScript - Anonymous Functions

Anonymous Function s– An anonymous function is a function that was declared without any named identifier to refer to it. Stayed Informed – Learn Angular 2 with TypeScript Example - Normal function function printHello() { console.log( 'Hello Anil!' ); } printHello(); Examples - Anonymous function JavaScript - var hello = function () { console.log( 'Hello Anil!, I am Anonymous.' ); }; hello(); //Return - Hello Anil!, I am Anonymous. OR setTimeout( function () { console.log( 'Hello Anil!, I am Anonymous.' ); }, 2000 ); //Return - Hello Anil!, I am Anonymous. TypeScript – var anonymousFunc = function (num1: number , num2: number ) : number { return num1 + num2; } //RESULT console.log(anonymousFunc( 10 , 20 )); //Return is 30 //RESULT console.log(anonymousFunc( 10 , "xyz" )); // error: Argument of type 'number' is not assignable to parameter of type 'string'. //b...