javascript var in quotes

1const poem = "The Wide Ocean";
2const author = "Pablo Neruda";
3
4const favePoem = `My favorite poem is ${poem} by ${author}.`;

1var myArray = [123, 15, 187, 32];
2
3myArray.forEach(function (value, i) {
4    console.log('%d: %s', i, value);
5});
6
7// Outputs:
8// 0: 123
9// 1: 15
10// 2: 187
11// 3: 32