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If or vs Object lookup
(version: 0)
Comparing performance of:
object lookup vs if or
Created:
7 years ago
by:
Guest
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Tests:
object lookup
var payload = "negativeUnsure"; var body = document.getElementsByTagName("BODY")[0]; var mObj = { positiveFeedback: true, negativeFeedback: true, positiveAnotherQ: true, negativeAnotherQ: true, positiveAssistant: true, negativeAssistant: true, Visor: true, Assistant: true, clickWhileOnPhase: true, afterCancelConversation: true, positiveUnsure: true, negativeUnsure: true, "Link to FAQ": true } if(mObj[payload]) body.innerHTML += "<div></div>";
if or
var payload = "negativeUnsure"; var body = document.getElementsByTagName("BODY")[0]; if(payload === "positiveFeedback" || payload === "negativeFeedback" || payload === "positiveAnotherQ" || payload === "negativeAnotherQ" || payload === "positiveAssistant" || payload === "negativeAssistant" || payload === "Visor" || payload === "Assistant" || payload === "clickWhileOnPhase" || payload === "afterCancelConversation" || payload === "positiveUnsure" || payload === "negativeUnsure" || payload === "Link to FAQ"){ body.innerHTML += "<div></div>" }
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Suite status:
<idle, ready to run>
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Test case name
Result
object lookup
if or
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's being tested, compared, and their pros and cons. **Benchmark Definition** The benchmark is defined by two test cases: "object lookup" and "if or vs Object lookup". **Test Case 1: Object Lookup** In this test case, a JavaScript object `mObj` is created with multiple properties. The payload variable is set to `"negativeUnsure"`. Then, the code checks if the property `payload` exists in the object `mObj` using the bracket notation (`mObj[payload]`). If it does, it appends a HTML element to the `<BODY>` of the document. **Test Case 2: If-Or** In this test case, the same payload variable is used, but instead of checking if the property exists in the object, the code uses an if-else statement with multiple OR conditions (`payload === "positiveFeedback"`). If any of these conditions are true, it appends a HTML element to the `<BODY>` of the document. **Comparison** The two test cases compare the performance of using bracket notation for object lookup (object lookup) versus using an if-else statement with multiple OR conditions (if or). **Pros and Cons** * **Object Lookup:** + Pros: - More concise and expressive code - Faster execution, as it directly accesses the property without searching the entire object + Cons: - May not work for objects with nested properties or dynamic keys - Can be less readable if not familiar with bracket notation * **If-Or:** + Pros: - More readable and understandable by those familiar with traditional if-else statements - Works for objects with nested properties or dynamic keys + Cons: - Slower execution, as it searches the entire object to find a matching key **Library/Utility** There is no explicit library used in this benchmark. However, the use of `document.getElementsByTagName("BODY")[0]` implies that the script is running in a browser environment and relies on the DOM (Document Object Model) API. **Special JS Feature/Syntax** There are no special JavaScript features or syntax mentioned in the benchmark definition. Both test cases use standard JavaScript syntax and do not require any advanced features like async/await, Promises, or modern ES6+ syntax. **Other Alternatives** If you wanted to modify this benchmark or create a new one, you could explore alternative approaches for object lookup, such as: * Using `in` operator instead of bracket notation * Using `hasOwnProperty()` method on the object * Using a library like Lodash or Underscore.js for more complex object operations * Using a different data structure, like an array or a Map, to store and retrieve data
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