Data types in Typescript
Data types in Typescript: Syntax to declare a variable : var/let varName : datatype; we can also assign value at the time of variable declaration.(see below examples). We can define datatype of a variable, from below mentioned types: Number : // Number let num : number ; console . log ( num ); // undefined num = 33 ; console . log ( num ); //33 console . log ( "What if, we will try to assign any other type of value to num" ); // num="sss"; // Error :Type '"sss"' is not assignable to type 'number'. // console.log(num); Boolean: let isBoolean : boolean = true ; // isBoolean will accept only 'true' and 'false' values. console . log ( isBoolean ); String: all java script code is valid Typescript code so, we can also use java scrip...