Why does changing an Array in JavaScript affect copies of the array?

Question

I\'ve written the following JavaScript:

var myArray = [\'a\', \'b\', \'c\'];
var copyOfMyArray = myArray;
copyOfMyArray.splice(0, 1);
alert(myArray); // aler         


        

Answer 1

You can add some error handling depending on your cases and use something similar to the following function to solve the issue. Please comment for any bugs / issues / efficiency ideas.

function CopyAnArray (ari1) {
   var mxx4 = [];
   for (var i=0;i