Connecting data from an array to an object to transform its value with a middleman

const queued_Dr = ["Dr.Salazar","Dr.Connors","Dr.Johnson","Dr.Pearson"];

const all_appointments = [["Dr-S","New York","Dr.Salazar"],["Dr-C","Austin","Dr.Connors"],["Dr-J","Austin","Dr.Johnson"],["Dr-S","New York","Dr.Salazar"],["Dr-P","San Juan","Dr.Pearson"],["Dr-J","Austin","Dr.Johnson"]];
 
const result1 = queued_Dr
  .map((queu) => all_appointments
    .find((appointment) => appointment.at(-1) === queu)
    .at(0));
    
console.log(result1);


const result2 = queued_Dr
  .map((queu) => {
    const [abbr, name] =  queu.split('.');
    return `${abbr}-${name.at(0)}`;
  });
  
console.log(result2);

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