Question

How to sort an array with null values in descending order with TypeScript

Answer 1

const arr = ["php", "c++", null, "typescript", "c", null, "nodejs", null, "javascript", "java"]; 
 
arr.sort((a, b) => {
  if (a === null) {
        return 1;
  }
 
  if (b === null) {
        return -1;
  }
 
  if (a === b) {
        return 0;
  }
 
  return a < b ? 1 : -1;
});
    
console.log(arr);
   
    
    
    
/*
run:
    
["typescript", "php", "nodejs", "javascript", "java", "c++", "c", null, null, null] 
    
*/

 

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