const a = "Omnipotent";
"<strong>" + a.substring(0, 3) + "</strong>" + a.substring(3);
const a = "Omnipotent";
"<strong>" + a.substring(0, 3) + "</strong>" + a.substring(3);
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
test 1 | |
test 2 |
Test name | Executions per second |
---|---|
test 1 | 48667120.0 Ops/sec |
test 2 | 49759920.0 Ops/sec |
I'll break down the benchmark definition and test cases to explain what's being tested.
Benchmark Definition
The benchmark definition is a JSON object that contains the script preparation code, HTML preparation code, and name of the benchmark. In this case:
Name
: The name of the benchmark, which is "test benchmark3432".Description
: A brief description of the benchmark, which is just "test".Script Preparation Code
and Html Preparation Code
: These fields are empty, indicating that no script or HTML preparation code is needed for this benchmark.Individual Test Cases
The test cases are JSON arrays containing two individual test cases:
"Test Name"
).Benchmark Definition
field contains the same JavaScript code snippet: "const a = "Omnipotent";\r\n\"<strong>\" + a.substring(0, 3) + \"</strong>\" + a.substring(3);"
.This means that both test cases are testing the same JavaScript code snippet, but with different execution results (as shown in the latest benchmark result).
What is being tested?
The main question being asked here is whether the browser can execute this specific JavaScript code snippet efficiently.
"Omnipotent"
(which is Om
) and then concatenates them with the remaining part of the string (nipent
), wrapping the result in <strong>
tags.Options compared
The options being compared here are:
Pros and Cons of those approaches:
Libraries used
In the provided benchmark definition, there are no explicit library dependencies mentioned. However, some JavaScript libraries might be implicitly used or loaded as part of the browser's runtime environment.
substring()
method is a built-in JavaScript method, but it's possible that other libraries (e.g., jQuery) might also use this method.Special JS features or syntax
The code snippet uses some HTML tags (<strong>
) and the substring()
method, which is a built-in JavaScript function. There are no special JavaScript features or syntax that are not standard across all browsers.
Alternatives
If you wanted to create a similar benchmark without using MeasureThat.net:
By analyzing this benchmark definition and test cases, we can understand what's being tested and what options are being compared. This information is useful for software engineers who want to optimize JavaScript performance and ensure compatibility across different browsers and devices.