Question

How to create a set in TypeScript

Answer 1

const st = new Set<string>(['javascript', 'typescript', 'node.js', 'c++', 'c', 'c#', 'java']);
  
console.log([...st].join(' '));
 
console.log(...st);
  
  
  
  
/*
run:
   
"javascript typescript node.js c++ c c# java" 
"javascript",  "typescript",  "node.js",  "c++",  "c",  "c#",  "java" 
    
*/

 

70+ SQL courses for beginners and professionals

Answer 2

const st = new Set<number>([4, 6, 1, 7, 0, 15, 87, 99, 3.14])
  
console.log([...st].join(' '));
 
console.log(...st);
  
  
  
  
/*
run:
 
"4 6 1 7 0 15 87 99 3.14" 
4,  6,  1,  7,  0,  15,  87,  99,  3.14 
    
*/

 

70+ SQL courses for beginners and professionals