Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
stringies
(version: 0)
Comparing performance of:
plusOp vs literal vs concat
Created:
2 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
const first = "first" const second = "second"
Tests:
plusOp
const first = "first" const second = "second" let thing = first + ' ' + second;
literal
const first = "first" const second = "second" let thingTwo = `${first} ${second}`;
concat
const first = "first" const second = "second" let mystring = ''.concat(first, ' ', second);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
plusOp
literal
concat
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview of the Benchmark** The provided benchmark, created using MeasureThat.net, tests the performance of different ways to concatenate strings in JavaScript. There are three test cases: 1. `plusOp`: Uses the `+` operator to concatenate two strings. 2. `literal`: Uses template literals (the `${}` syntax) to concatenate two strings. 3. `concat`: Uses the `.concat()` method to concatenate two strings. **Comparison of Options** The benchmark tests three different approaches to string concatenation: 1. **Plus Operator (`+`)**: This is a simple and widely supported way to concatenate strings in JavaScript. The pros are that it's easy to use and works in most browsers. * Cons: Can lead to performance issues if used excessively, as it creates a new string object on each concatenation. 2. **Template Literals (`${}`)**: This is a more modern way of concatenating strings introduced in ECMAScript 2015 (ES6). The pros are that it's readable and efficient, as it only creates one string object. * Cons: May not be supported in older browsers or environments. 3. **`.concat()` Method**: This method is part of the Array prototype and can be used to concatenate strings. The pros are that it's efficient and works well with arrays. * Cons: May require an extra step to call the method, which can lead to performance issues if not done correctly. **Library Used** None of the test cases uses any external libraries or dependencies. **Special JS Features or Syntax** The `literal` test case uses template literals (the `${}` syntax), which is a new feature introduced in ECMAScript 2015 (ES6). Template literals provide a more readable way to concatenate strings and are supported by most modern browsers. **Other Alternatives** If you're looking for alternatives to the above approaches, here are some options: * **String.prototype.push()**: This method can be used to concatenate strings, but it's less efficient than using the `+` operator or template literals. * **String.prototype +=**: This method is similar to using the `+=` operator, but it's less efficient than using the `+` operator. In summary, the benchmark tests three different ways to concatenate strings in JavaScript: using the `+` operator, template literals, and the `.concat()` method. Each approach has its pros and cons, and the choice of which one to use depends on your specific use case, performance requirements, and target browser support.
Related benchmarks:
String vs ''
simple int vs string comparison
simple int vs string comparison 1
simple int vs string comparison 2
Comments
Confirm delete:
Do you really want to delete benchmark?