var n = 20;
var x = Math.pow(n, n);
var y = n ** n;
var y = n * n * n * n * n * n * n * n * n * n * n * n * n * n * n * n * n * n * n * n;
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Math.pow | |
Exponentiation | |
Multiplication |
Test name | Executions per second |
---|---|
Math.pow | 75479608.0 Ops/sec |
Exponentiation | 84715096.0 Ops/sec |
Multiplication | 34879232.0 Ops/sec |
Benchmark Overview
The provided benchmark compares the performance of three different methods for calculating n
raised to the power of itself: Math.pow
, exponentiation (**
), and multiplication.
Options Compared
pow
function from the JavaScript Math object.**
operator, which is a shorthand for "exponentiation".Pros and Cons of Each Approach
**
):Math.pow
for very large inputs due to its implementation.In general, Exponentiation (
**) is the recommended approach due to its balance between speed and simplicity. However, if you need to support very old browsers or versions, using
Math.pow` might be necessary.
Library Used
None explicitly mentioned, but we can infer that the tests use built-in JavaScript functions and operators.
Special JS Feature/Syntax
The benchmark uses the exponentiation operator (**
) which is a relatively modern syntax introduced in ECMAScript 2016 (ES6). This allows for concise and expressive code. If your target audience includes older browsers or versions, you might want to use Math.pow
instead.
Other Alternatives
n
, you might want to experiment with different iteration methods, such as using a loop or recursion.Keep in mind that the best approach will depend on your specific use case, target audience, and requirements.