Question

How to trim all strings in an array with TypeScript

Answer 1

let arr = [' typescript ', '', '', ' c   ', '', '   c#', '4', '', '        php'];

arr = arr.map(element => {
  if (typeof element === 'string') {
      return element.trim();
  }

  return element;
});

console.log(arr);

  
  
  
    
      
      
/*
run:
      
["typescript", "", "", "c", "", "c#", "4", "", "php"] 
      
*/

 

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Answer 2

let arr = [' typescript ', '', '', ' c   ', '', '   c#', '4', '', '        php'];

arr = arr.map(s => s.trim());

console.log(arr);

  
  
    
      
      
/*
run:
      
["typescript", "", "", "c", "", "c#", "4", "", "php"] 
      
*/

 

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