Question

How to sort by strings a mixed pair of string and number elements in an array with TypeScript

Answer 1

const arr: string[] = [
  "Python 4", "C 9", "C++ 5", "C# 6",
  "Java 1", "PHP 7", "Go 2"
];

function extractName(s: string): string {
  const pos = s.lastIndexOf(" ");

  return s.slice(0, pos);
}

arr.sort((a, b) => extractName(a).localeCompare(extractName(b)));

console.log(arr);


 
 
/*
run:
 
["C 9", "C# 6", "C++ 5", "Go 2", "Java 1", "PHP 7", "Python 4"] 
 
*/

 

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