Default Parameters - Function parameters can also be assigned values by default. A parameter can't be declared as optional and default both at the same time. Stayed Informed – Learn Angular 2 with TypeScript For Example as, let discount = function (price: number , rate: number = 0.40 ) { return price * rate; } //CALCULATE DISCOUNT discount( 500 ); // Result - 200 //CALCULATE DISCOUNT discount( 500 , 0.45 ); // Result - 225 I hope you are enjoying with this post! Please share with you friends. Thank you!!
Angular, React, JavaScript, Java, PHP, SQL, C#, Vue, NodeJs, TypeScript and Interview Questions Answers