var testString = "some_prefix_value"
var values = testString.split("some_prefix_");
var value1 = values[0];
var value2 = values[1];
var value3 = values[2];
var regex = /\d+/g
var value1 = regex[0];
var value2 = regex[1];
var value3 = regex[2];
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Splitting | |
Regex |
Test name | Executions per second |
---|---|
Splitting | 5531291.5 Ops/sec |
Regex | 31525300.0 Ops/sec |
I'd be happy to help you understand the provided benchmark.
Benchmark Overview
The benchmark is designed to compare two approaches for extracting values from a string: using the split()
method and regular expressions (regex). The test cases are identical, with the only difference being which approach is used to extract the values.
Options Compared
The two options compared in this benchmark are:
Pros and Cons
Here's a brief summary of the pros and cons of each approach:
Library Used
There is no explicit library mentioned in the benchmark definition or test cases. However, it's likely that the split()
method and regex engine are part of the JavaScript language itself.
Special JS Feature/Syntax
There doesn't appear to be any special JavaScript feature or syntax used in this benchmark.
Other Alternatives
If you need alternative approaches for extracting values from a string, some other options might include:
String.prototype.replace()
method with a callback functionArray.prototype.map()
and String.prototype.split()
These alternatives may have different performance characteristics or trade-offs in terms of complexity and ease of use.
I hope this explanation helps!