let x = 1; let y = 2; /* 1st */ `{ /* } /* } }`; `\${x}`; `$\{x}`; `${x}`; `${"abc/*"}`; `${'abc/*'}`; `${`abc/*`}`; `${x * {q:5}.q /*2nd*/}`; `${`${x/*3rd*/}`}`; `${x}/*}/*`; /* 4th */