Benchmark: ternary vs short circuits

Tests:

ternary case
var test; console.log(test?test: "no test")
short circuit case
var test; console.log(test || "no test")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
ternary case
short circuit case

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0

Browser/OS: Firefox 102 on Linux

View result in a separate tab

Test name	Executions per second
ternary case	208661.7 Ops/sec
short circuit case	216337.2 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down what is being tested in the provided JSON benchmark.

**Benchmark Definition**

The benchmark tests two different approaches to evaluate an expression: ternary (`?`) and short-circuiting (`||`).

**Options Compared**

There are two options being compared:

1. **Ternary operator**: The syntax `test ? test : "no test"`. This checks if `test` is truthy, and if so, returns `test`, otherwise returns `"no test"`.
2. **Short-circuiting OR operator**: The syntax `test || "no test"`. This checks if `test` is falsy, and if so, immediately returns `"no test"` without evaluating `test`.

**Pros and Cons**

**Ternary Operator**

Pros:

* Can be used to provide a default value when an expression is falsy.
* More explicit in its intent.

Cons:

* Requires two operands, which can be less efficient than using the OR operator.
* May cause issues with code readability if not used carefully.

**Short-Circuiting OR Operator**

Pros:

* More concise and expressive than using a ternary operator.
* Can lead to more efficient execution, as it avoids evaluating an expression when it's unnecessary.

Cons:

* Only checks for falsiness of the first operand, which may lead to unexpected behavior if not used carefully.
* May be less readable in some cases.

**Library/Extension**

There is no explicit library or extension mentioned in the benchmark definition. However, it's worth noting that JavaScript has built-in support for both ternary operators and short-circuiting OR operators.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax being tested in this benchmark. It only uses standard JavaScript constructs (ternary operator and OR operator).

**Other Alternatives**

If you were to create an alternative benchmark, you could consider testing other approaches, such as:

* Using a separate function to evaluate the expression, allowing for more flexibility in the implementation.
* Testing with different types of inputs (e.g., numbers, strings, booleans) to see how the behavior changes.
* Comparing performance with and without optimizations, such as caching or memoization.

Keep in mind that this is just one possible direction for an alternative benchmark. The key is to test scenarios that are relevant to your specific use case or requirements.

Related benchmarks:

ternary vs short circuits (version: 0)

benchmark to test ternary vs short circuit operator

Comparing performance of: ternary case vs short circuit case

Created: 2 years ago by: Guest

Jump to the latest result

ternary case

short circuit case

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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