const foo = 4;const bar = 2;const fuzz = 'Fuzz';// Bad: Use + operatorfoo + bar + fuzz; // '6Fuzz'// Better: Use concat''.concat(foo, bar, fuzz); // 42Fuzz[foo, bar, fuzz].join(''); // 42Fuzz// Best: Use template literal`${foo}${bar}${fuzz}`; // 42Fuzz