Question

How to get the last element in an array with TypeScript

Answer 1

const arr: string[] = ['javascript', 'c++', 'php', 'typescript'];
   
const last: string = arr[arr.length - 1];
  
console.log(last);
 
   
       
       
/*
run:
       
typescript
       
*/

 

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Answer 2

const arr: number[] = [10, 20, 30, 40, 50, 60, 70];
 
console.log(arr.at(-1));
 
 
 
/*
run:
 
70
 
*/

 

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Answer 3

const arr: string[] = ['javascript', 'c++', 'php', 'typescript'];
    
const last: string[] = arr.slice(-1);
   
console.log(last);
  
    
        
        
/*
run:
        
["typescript"]
        
*/

 

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