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dfgdffghfgh
(version: 0)
Comparing performance of:
dfg vs sdf
Created:
8 years ago
by:
Guest
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Tests:
dfg
var ranges = [ { divider: 1e18 , suffix: 'P' }, { divider: 1e15 , suffix: 'E' }, { divider: 1e12 , suffix: 'T' }, { divider: 1e9 , suffix: 'G' }, { divider: 1e6 , suffix: 'M' }, { divider: 1e3 , suffix: 'k' } ]; function formatNumber(n) { for (var i = 0; i < ranges.length; i++) { if (n >= ranges[i].divider) { return (n / ranges[i].divider).toFixed(2).toString() + ranges[i].suffix; } } return n.toString(); } console.log(formatNumber(1000.99));
sdf
function nFormatter(num) { var si = [ { value: 1E18, symbol: "E" }, { value: 1E15, symbol: "P" }, { value: 1E12, symbol: "T" }, { value: 1E9, symbol: "G" }, { value: 1E6, symbol: "M" }, { value: 1E3, symbol: "k" } ], rx = /\.0+$|(\.[0-9]*[1-9])0+$/, i; for (i = 0; i < si.length; i++) { if (num >= si[i].value) { return (num / si[i].value).toFixed(2).replace(rx, "$1") + si[i].symbol; } } return num.toFixed(digits).replace(rx, "$1"); } console.log(nFormatter(1000.99));
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Suite status:
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Test case name
Result
dfg
sdf
Fastest:
N/A
Slowest:
N/A
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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 is tested, compared, and other considerations. **Benchmark Overview** MeasureThat.net is a website where users can create and run JavaScript microbenchmarks. The provided benchmark consists of two test cases: `dfg` and `sdf`. These tests measure the performance of two different implementations of a number formatting function in JavaScript. **Script Preparation Code** The script preparation code for both tests is empty, which means that the tests are purely based on the JavaScript implementation itself. **Test Cases** There are two test cases: 1. **`dfg`**: This test case uses a simple function named `formatNumber(n)` that takes an input number `n` and returns its formatted version. The formatting logic is implemented using a loop that checks for predefined ranges (e.g., 10^18, 10^15, etc.) and applies the corresponding suffix (e.g., 'P', 'E', etc.). If no range matches, the original value is returned. 2. **`sdf`**: This test case uses another function named `nFormatter(num)` that takes an input number `num` and returns its formatted version. The formatting logic is implemented using a loop that checks for predefined ranges (e.g., 10^18, 10^15, etc.) and applies the corresponding symbol (e.g., 'E', 'P', etc.). The function also uses regular expressions to format numbers with two decimal places. **Comparison** Both tests compare the performance of the two formatting functions (`formatNumber(n)` and `nFormatter(num)`) in different browsers and environments. However, there are some differences in how the ranges are defined and the suffix/symbol is applied: * **`dfg`**: Uses a fixed loop with predefined ranges and applies the corresponding suffix. * **`sdf`**: Uses a more complex regular expression-based approach to format numbers with two decimal places. **Pros and Cons** Here's a brief pros and cons analysis for each approach: 1. **`dfg`**: * Pros: Simple, straightforward implementation; easy to understand and maintain. * Cons: May not be as efficient or scalable as the `sdf` approach, especially for large input values. 2. **`sdf`**: * Pros: More flexible and robust formatting logic; can handle numbers with arbitrary decimal places. * Cons: More complex implementation; may require additional maintenance and optimization efforts. **Library** Neither of the provided test cases uses any external libraries or dependencies. The formatting functions are standalone implementations written in plain JavaScript. **Special JS Feature or Syntax** There is no special JavaScript feature or syntax used in these tests, other than regular expressions (used in `sdf`). Regular expressions are a standard part of JavaScript and are not specific to any particular browser or environment. **Alternatives** If you're looking for alternative number formatting libraries or approaches, here are some options: * **Moment.js**: A popular JavaScript library for date and time formatting. * **Intl.NumberFormat API**: A built-in JavaScript API for formatting numbers in different locales and styles. * **Number Formatter libraries**: There are several third-party libraries available that specialize in number formatting, such as `number-formatter` or `format-number`. Keep in mind that the choice of library or approach depends on your specific requirements, performance constraints, and personal preferences.
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