Benchmark: nested if else vs ternary

Script Preparation code:

this.number = Math.random() * 1000;

Tests:

ternary
var number = this.number; return number < 250 ? 250 : (number > 750 ? 750 : number);
if-1
var number = this.number; if (number < 250) { return 250; } else if (number > 750) { return 750; } else { return number; }
if-2
var number = this.number; if (number < 250) { return 250; } else { if (number > 750) { return 750; } else { return number; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
ternary
if-1
if-2

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser/OS: Chrome 70 on Windows

View result in a separate tab

Test name	Executions per second
ternary	812708928.0 Ops/sec
if-1	767978752.0 Ops/sec
if-2	805574464.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and its options.

The benchmark is comparing three approaches to simplify conditional statements: Ternary (`ternary`), if-else with nested if statements (`if-2`), and traditional if-else with separate blocks for each condition (`if-1`). The goal is to determine which approach is most efficient in terms of execution speed.

**Ternary**: This option uses a single conditional expression that returns one of three possible values. It's often considered the most concise way to simplify conditional logic. However, its performance might be affected by the complexity of the condition and the number of operations involved.

**if-1**: This approach uses traditional if-else statements with separate blocks for each condition. While it's clear and easy to read, it can result in more code lines and potentially slower execution due to the overhead of conditional checks.

**if-2**: Similar to `if-1`, this option also uses traditional if-else statements but with an additional nested if statement. This might increase the complexity of the condition, which could impact performance.

Let's analyze the pros and cons of each approach:

* **Ternary**:
	+ Pros: Concise code, less lines of code.
	+ Cons: Potential performance issues due to complex conditions or multiple operations.
* **if-1**:
	+ Pros: Easy to read, maintainable code.
	+ Cons: More lines of code, potential slower execution due to conditional checks.
* **if-2**:
	+ Pros: Similar to `if-1`, easy to read and maintain.
	+ Cons: Additional nested if statement might increase complexity and impact performance.

Now, let's discuss some additional considerations:

*   **Scope**: Ternary expressions can be challenging to debug and understand due to their concise nature. If the condition is complex or involves multiple variables, it may lead to misunderstandings or hard-to-debug issues.
*   **Readability**: While ternary expressions are concise, they might not always be the most readable option. In some cases, traditional if-else statements with separate blocks for each condition can provide more clarity.

**Library and Special JS Features:**

In this benchmark, there doesn't appear to be any specific libraries or special JavaScript features being used beyond the standard conditional expressions and variable assignments.

Related benchmarks:

nested if else vs ternary (version: 0)

Comparing performance of: ternary vs if-1 vs if-2

Created: 6 years ago by: Guest

Jump to the latest result

ternary

if-1

if-2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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