var num = 42;
var stringNum = '42';
var result = Number(stringNum);
var result = num.toString();
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
String To Int | |
Number to String |
Test name | Executions per second |
---|---|
String To Int | 4838670.0 Ops/sec |
Number to String | 12867266.0 Ops/sec |
Let's break down the provided JSON and explain what's being tested.
Benchmark Definition
The benchmark definition is a simple script that prepares the test environment by defining two variables: num
(an integer) and stringNum
(a string representing the same integer). The purpose of this script is to create a consistent starting point for the tests.
Test Cases
There are two individual test cases:
Number()
to convert a string (stringNum
) into an integer (result
). The goal here is to measure how fast this conversion happens.num
) and converts it into a string using the toString()
method, resulting in the same string that was used for the previous test case.Options Compared
The two approaches being compared are:
Number()
to convert a string into an integer.toString()
method.Pros and Cons of Each Approach
Number()
:Number()
, especially for larger numbers.Library and Purpose
None of the test cases use any external libraries.
Special JS Features or Syntax (None)
There are no special JavaScript features or syntax used in these test cases. They're simple, straightforward examples that focus on measuring the performance difference between two conversion methods.
Alternatives
Other alternatives for benchmarking string-to-int and int-to-string conversions might include:
Intl.NumberFormat
to handle internationalization and formatting.Keep in mind that the choice of alternative will depend on the specific requirements and goals of the benchmark.