Benchmark: Indaex vs inclues

Script Preparation code:

var s = 'xzcv^zvsadf><asfeasfsadgvzxc'

Tests:

A
s.indexOf('adg')
B
s.includes('adg')
C
var a = s + 'a'
D
var a = 'a' + s
E
var a = s.slice(1)
F
var a = s.substr(1)
G
var a = s.substring(1)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
A
B
C
D
E
F
G

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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I'll break down the benchmark and its options, pros, cons, and considerations.

**Benchmark Definition**

The provided JSON defines a set of benchmarks for comparing different string methods in JavaScript:

1. `s.indexOf('adg')`
2. `s.includes('adg')`
3. `var a = s + 'a'`
4. `var a = 'a' + s`
5. `var a = s.slice(1)`
6. `var a = s.substr(1)`
7. `var a = s.substring(1)`

**Options Compared**

The options compared are different ways to search for or extract a substring from a string `s`. Here's a brief overview of each:

* `indexOf`: Finds the index of the first occurrence of a specified value (`'adg'` in this case).
* `includes`: Returns a boolean indicating whether the string includes the specified value (`'adg'` in this case).
* `slice`: Returns a new string containing a subset of characters from the original string, starting at a specified index (in this case, 1).
* `substr`: Similar to `slice`, but returns a substring without creating a new string object.
* `substring`: Similar to `slice`, but throws an error if the start or end indices are out of range.

**Pros and Cons**

Here's a brief summary of each method:

* `indexOf`:
	+ Pros: Efficient, simple, and widely supported.
	+ Cons: Returns -1 if the value is not found, which may be considered incorrect in some cases.
* `includes`:
	+ Pros: Simple, readable, and accurate.
	+ Cons: May be slower than other methods for very large strings.
* `slice`, `substr`, and `substring`:
	+ Pros: Can be efficient and flexible, especially when dealing with substrings.
	+ Cons: Create new string objects, which may consume more memory.

**Other Considerations**

* For small to medium-sized strings, the difference in performance between these methods is usually negligible. However, for very large strings or high-performance applications, optimizations like `indexOf` and `includes` may be preferred.
* The choice of method depends on the specific use case and requirements. For example, if you need to search for a specific value multiple times, using `indexOf` might be more efficient.

**Libraries and Special Features**

None of the provided benchmarks rely on external libraries or special JavaScript features (like async/await or Promises).

Related benchmarks:

Indaex vs inclues (version: 3)

Comparing performance of: A vs B vs C vs D vs E vs F vs G

Created: 8 years ago by: Registered User

Jump to the latest result

A

B

C

D

E

F

G

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):