Question

How to delete an array element in JavaScript

Answer 1

let arr = ["JavaScript", "PHP", "C", "Python"];
  
delete arr[0]; // Change the element to undefined
  
console.log(arr);
  
  
/*
run:
 
[ <1 empty item>, 'PHP', 'C', 'Python' ]
  
*/

 

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Answer 2

let arr = ["JavaScript", "PHP", "C", "Python"];
  
arr.splice(0, 1)
  
console.log(arr);
  
  
/*
run:
 
[ 'PHP', 'C', 'Python' ]
  
*/

 

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