Question

How to replace 2 elements in an array start from specific index with JavaScript

Answer 1

const arr = ['javascript', 'php', 'python', 'c', 'c#'];
  
const index = 1;
 
arr.splice(index, 2, "c++", "java");
  
console.log(arr); 
  
  
  
  
/*
run:
  
["javascript", "c++", "java", "c", "c#"]
  
*/

 

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