Question

How to pass array to function and add values to array in function with JavaScript

Answer 1

function f(arr) {
  arr.push(4);
  arr.push(5);
}

   
var arr = new Array(1, 2, 3);
   
f(arr);   

for (var i = 0; i < arr.length; i++)   
     document.write(arr[i] + " ");

    
  
/*
run:
  
1 2 3 4 5 
  
*/

 

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