A tagged template is a function call that uses a template literal to extracts arguments.

Taggeg function.js

// A tagged template is a function call
// that uses a template literal to
// extracts arguments.

const sum = (msg, x,  y) => {
  return `${x} + ${y} = ${x + y}`;
};

document.write(sum`${45} ${15}`);
document.write("<br/>");

const div = (msg, x,  y) => {
  document.write(`${x} / ${y} = ${x / y}`);
};

div`${120} ${2}`;