var a = Math.random();
var b = Math.random();
Math.pow(a, b);
a ** b;
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Math.pow() | |
Exponentiation operator |
Test name | Executions per second |
---|---|
Math.pow() | 185687120.0 Ops/sec |
Exponentiation operator | 173265936.0 Ops/sec |
Let's dive into the explanation.
What is being tested?
The benchmark tests two different ways to calculate the power of a number in JavaScript: Math.pow()
and the exponentiation operator (**
).
What options are compared?
Two options are being compared:
Pros/Cons of each approach:
Math.pow()
:**
):Library/Feature used:
None. This benchmark only uses built-in JavaScript functionality.
Special JS feature or syntax:
The exponentiation operator (**
) is a special feature in JavaScript that allows you to calculate the power of a number using an operator. It's equivalent to calling Math.pow()
but with a more concise and expressive syntax.
Other alternatives:
If performance-critical code requires calculating powers, consider using libraries like NumJS or mathjs, which provide optimized functions for mathematical operations. Alternatively, if you need to perform multiple calculations, you can use memoization techniques to cache intermediate results and improve overall performance.
That's a wrap!