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Exercise 1

Write a program named greeter.js that greets 'Victor' three times. Your program should use a variable and not hard code the string value 'Victor' in each greeting. Here's an example run of the program:

$ node greeter.js
Good Morning, Victor.
Good Afternoon, Victor.
Good Evening, Victor.

Solution

let name = 'Victor';
console.log('Good Morning, ' + name + '.');
console.log('Good Afternoon, ' + name + '.');
console.log('Good Evening, ' + name + '.');

let name = 'Victor';
console.log(`Good Morning, ${name}.`);
console.log(`Good Afternoon, ${name}.`);
console.log(`Good Evening, ${name}.`);

First, we create a variable that holds the value 'Victor'. With a variable, we don't need to hard code 'Victor' each time we greet him. Instead, we can use the variable as part of an expression. In our first solution, we use string concatenation; in the second, we use template literals.

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