Test case details

Preparation Code

<script>   function len1( v ) {     return Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);   }     function len2( v ) {     var v0 = v[0], v1 = v[1], v2 = v[2];     return Math.sqrt(v0 * v0 + v1 * v1 + v2 * v2);   } </script>

Test cases

Test #1

len1([1,2,3]);  

Test #2

len2([1,2,3]);