Question

How to trim all strings in an array with Node.js

Answer 1

let arr = [' node.js   ', '', '', ' c   ', '', '   c++', '98', '', '      python '];
 
arr = arr.map(element => {
  if (typeof element === 'string') {
      return element.trim();
  }
 
  return element;
});
 
console.log(arr);
 
   
   
   
     
       
       
/*
run:
       
[ 'node.js', '', '', 'c', '', 'c++', '98', '', 'python' ]
       
*/

 

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Answer 2

let arr = [' node.js   ', '', '', ' c   ', '', '   c++', '98', '', '      python '];
 
arr = arr.map(s => s.trim());
 
console.log(arr);
 
   
   
   
     
       
       
/*
run:
       
[ 'node.js', '', '', 'c', '', 'c++', '98', '', 'python' ]
       
*/

 

70+ SQL courses for beginners and professionals