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parseInt vs Number addition Fork
(version: 0)
Comparing performance of:
No conversion vs parseInt vs Number
Created:
2 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var intA = 42.034; var strB = "42.034";
Tests:
No conversion
var res = intA + strB;
parseInt
var res = parseInt(intA, 10) + parseInt(strB, 10);
Number
var res = Number(intA) + Number(strB);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
No conversion
parseInt
Number
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Overview** The benchmark compares the performance of three approaches to add two numbers: `parseInt` with addition, `Number` with addition, and a simple concatenation without conversion (`No conversion`). **Options Being Compared** 1. **No Conversion**: This approach simply adds two strings using the `+` operator, which will return a string result. 2. **parseInt**: This approach uses the `parseInt` function to convert one of the numbers to an integer before adding them together. 3. **Number**: This approach uses the `Number` function to convert both numbers to floating-point numbers before adding them together. **Pros and Cons of Each Approach** 1. **No Conversion**: * Pros: Simple, no additional overhead from conversion functions. * Cons: May lead to unexpected results if the input strings are not numbers or have different lengths. 2. **parseInt**: * Pros: Converts input strings to integers, which can be useful for certain use cases. * Cons: Additional function call overhead, may fail if input string is not a valid number. 3. **Number**: * Pros: Converts both input strings to floating-point numbers, providing more accurate results. * Cons: Additional function call overhead, may be slower than simple concatenation. **Library and Special JS Features** In this benchmark, the `parseInt` and `Number` functions are used as libraries. These functions are part of the JavaScript standard library. The benchmark does not use any special JS features like ES6 modules, async/await, or Web Workers. **Other Alternatives** If you wanted to add more alternatives, you could consider: * Using a different conversion function, such as ` parseFloat` or `toInteger`. * Adding a `try-catch` block to handle cases where input strings are not valid numbers. * Comparing the performance of different string concatenation methods (e.g., using the `+=` operator vs. the `+` operator). I hope this explanation helps you understand what's being tested in this benchmark!
Related benchmarks:
parseInt vs Number addition
parseInt vs Number parsing
parseInt vs Number vs implicit conversion
parseInt vs Number vs Plus addition
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