Test case details

Preparation Code

Test cases

Test #1

var a = ['a', 'b', 'c'].slice(0);

Test #2

var b = [].concat(['a', 'b', 'c']);

Test #3

var c = ['a', 'b', 'c'].concat([]);

Test #4

var d = [...['a', 'b', 'c']];

Test #5

var e = JSON.parse(JSON.stringify(['a', 'b', 'c']))