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Test split
(version: 0)
Comparing performance of:
string split vs object values
Created:
4 years ago
by:
Guest
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Tests:
string split
var test = "a b c d e f g h i j".split(" ")
object values
var test = Object.values({a:1,b:2,c:3,d:4,e:5,f:6,g:7,h:8,i:9,h:10})
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Suite status:
<idle, ready to run>
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Test case name
Result
string split
object values
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N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview of the Benchmark** MeasureThat.net is a website where users can create and run JavaScript microbenchmarks to compare the performance of different approaches on various platforms. The benchmark provided consists of two test cases: string splitting and object values extraction. **Test Cases** The first test case, "string split", measures the performance of splitting a string into an array using the `split()` method. The second test case, "object values", measures the performance of extracting values from an object using the `Object.values()` method. **Options Compared** In both test cases, the following options are compared: * **String Splitting:** + Using the `split()` method with a regular expression (e.g., `"a b c d e f g h i j".split(" ")`) + Without using the `split()` method ( manual iteration through the string) * **Object Values:** + Using the `Object.values()` method + Manual iteration through the object's properties **Pros and Cons of Each Approach** Here are some pros and cons of each approach: * **String Splitting:** + Using `split()`: Pros - concise and efficient; Cons - may not work as expected for all edge cases (e.g., null or undefined separator), and performance can be slower due to the overhead of regular expressions. + Manual iteration: Pros - more control over the process, but requires more code and is generally slower. * **Object Values:** + Using `Object.values()`: Pros - concise and efficient; Cons - may not work as expected for objects with inheritance or prototype chains (e.g., `Object.prototype.hasOwnProperty.call()`). + Manual iteration: Pros - more control over the process, but requires more code and is generally slower. **Library Usage** In the "object values" test case, the `Object.values()` method is used. This method is a part of the ECMAScript standard and returns an array of a given object's own enumerable property values. The purpose of this library is to provide a concise way to extract values from objects. **Special JS Features** In both test cases, no special JavaScript features or syntax are mentioned that require additional explanation. **Alternatives** Other alternatives for measuring the performance of string splitting and object values extraction could include: * Using other string manipulation methods (e.g., `Array.prototype.map()` with a callback function) * Using a library like Lodash (which provides `str.split()` and `pick.values()`)
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