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Comparison between the different ways of checking if a value is an array.
var A = [1, 2, 3, 4, 5],
B = ['a', 'b', 'c', 'd', 'e'],
C = [
[1, 2],
[3, 4],
[5, 6],
[7, 8],
[9, 10]
];
Array.prototype.iArray = true;
Ready to run.
Test | Ops/sec | |
---|---|---|
Instance of Array A |
| ready |
Instance of Array B |
| ready |
Instance of Array C |
| ready |
IsArray A |
| ready |
IsArray B |
| ready |
IsArray C |
| ready |
Constructor of A |
| ready |
Constructor of B |
| ready |
Constructor of C |
| ready |
Prototype A |
| ready |
Prototype B |
| ready |
Prototype C |
| ready |
Length Property A |
| ready |
Length Property B |
| ready |
Length Property C |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.