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JSON.stringify.indexOf vs For loop
(version: 0)
Comparing performance of:
JSON.stringify.indexOf vs For loop
Created:
5 years ago
by:
Guest
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Script Preparation code:
a=[ { "AttributeName": "eee", "New": "Kate", "Old": "Winifred" }, { "AttributeName": "eee", "New": "Viviene", "Old": "Brooks" }, { "AttributeName": "bbb", "New": "Fayre", "Old": "Moyna" }, { "AttributeName": "bbb", "New": "Camile", "Old": "Tani" }, { "AttributeName": "aaa", "New": "Sherrie", "Old": "Cordi" }, { "AttributeName": "fff", "New": "Xylina", "Old": "Marcelline" }, { "AttributeName": "ccc", "New": "Ruthe", "Old": "Elie" }, { "AttributeName": "ccc", "New": "Marleah", "Old": "Minne" }, { "AttributeName": "eee", "New": "Felice", "Old": "Carolina" }, { "AttributeName": "bbb", "New": "Fina", "Old": "Alie" }, { "AttributeName": "bbb", "New": "Rubie", "Old": "Dennie" }, { "AttributeName": "bbb", "New": "Shirlee", "Old": "Dulcinea" }, { "AttributeName": "ddd", "New": "Dawn", "Old": "Rani" }, { "AttributeName": "eee", "New": "Courtnay", "Old": "Janeczka" }, { "AttributeName": "ccc", "New": "Jean", "Old": "Leona" }, { "AttributeName": "fff", "New": "Karina", "Old": "Rochette" }, { "AttributeName": "bbb", "New": "Chickie", "Old": "Penelopa" }, { "AttributeName": "fff", "New": "Lorenza", "Old": "Tera" }, { "AttributeName": "ddd", "New": "Meg", "Old": "Millie" }, { "AttributeName": "fff", "New": "Thalia", "Old": "Cam" }, { "AttributeName": "ddd", "New": "Lilith", "Old": "Jeanna" }, { "AttributeName": "aaa", "New": "Grier", "Old": "Yolane" }, { "AttributeName": "aaa", "New": "Lynnea", "Old": "Kerrin" }, { "AttributeName": "ccc", "New": "Ekaterina", "Old": "Jillayne" }, { "AttributeName": "aaa", "New": "Blinni", "Old": "Esmeralda" }, { "AttributeName": "eee", "New": "Kimberley", "Old": "Ulrike" }, { "AttributeName": "ccc", "New": "Shauna", "Old": "Sue" }, { "AttributeName": "bbb", "New": "Averyl", "Old": "Emylee" }, { "AttributeName": "fff", "New": "Ebonee", "Old": "Adore" }, { "AttributeName": "bbb", "New": "Sheree", "Old": "Phylis" }, { "AttributeName": "bbb", "New": "Roberta", "Old": "Constance" }, { "AttributeName": "eee", "New": "Agnese", "Old": "Jenilee" }, { "AttributeName": "fff", "New": "Ardeen", "Old": "Rubie" }, { "AttributeName": "ccc", "New": "Kathy", "Old": "Minda" }, { "AttributeName": "fff", "New": "Christal", "Old": "Stephanie" }, { "AttributeName": "ddd", "New": "Hettie", "Old": "Tersina" }, { "AttributeName": "bbb", "New": "Janey", "Old": "Bill" }, { "AttributeName": "eee", "New": "Ira", "Old": "Sallie" }, { "AttributeName": "fff", "New": "Tonia", "Old": "Clary" }, { "AttributeName": "fff", "New": "Paola", "Old": "Wilma" }, { "AttributeName": "aaa", "New": "Esmeralda", "Old": "Gui" }, { "AttributeName": "ccc", "New": "Sibella", "Old": "Sybille" }, { "AttributeName": "ccc", "New": "Beth", "Old": "Misha" }, { "AttributeName": "ddd", "New": "Olwen", "Old": "Alisha" }, { "AttributeName": "eee", "New": "Emelina", "Old": "Jany" }, { "AttributeName": "bbb", "New": "Hannis", "Old": "Sean" }, { "AttributeName": "ddd", "New": "Magdalena", "Old": "Kayla" }, { "AttributeName": "bbb", "New": "Roxane", "Old": "Mildrid" }, { "AttributeName": "eee", "New": "Steffane", "Old": "Rosene" }, { "AttributeName": "fff", "New": "Monika", "Old": "Philis" }, { "AttributeName": "aaa", "New": "Ulrike", "Old": "Ida" }, { "AttributeName": "ccc", "New": "Dale", "Old": "Wanda" }, { "AttributeName": "ccc", "New": "Kayla", "Old": "Ileana" }, { "AttributeName": "ddd", "New": "Gale", "Old": "Sarette" }, { "AttributeName": "bbb", "New": "Bobinette", "Old": "Imojean" }, { "AttributeName": "fff", "New": "Debee", "Old": "Trixi" }, { "AttributeName": "aaa", "New": "Almeta", "Old": "Linzy" }, { "AttributeName": "bbb", "New": "Zsa Zsa", "Old": "Heida" }, { "AttributeName": "fff", "New": "Beverley", "Old": "Elyssa" }, { "AttributeName": "bbb", "New": "Jaclyn", "Old": "Kenna" }, { "AttributeName": "fff", "New": "Katleen", "Old": "Sara-Ann" }, { "AttributeName": "ddd", "New": "Ebonee", "Old": "Lindie" }, { "AttributeName": "ccc", "New": "Meriel", "Old": "Berta" }, { "AttributeName": "ddd", "New": "Mary", "Old": "Leanna" }, { "AttributeName": "aaa", "New": "Robbi", "Old": "Kassey" }, { "AttributeName": "fff", "New": "Lexine", "Old": "Alejandra" }, { "AttributeName": "eee", "New": "Natka", "Old": "Kayla" }, { "AttributeName": "aaa", "New": "Tori", "Old": "Gabriellia" }, { "AttributeName": "ddd", "New": "Romona", "Old": "Anallese" }, { "AttributeName": "eee", "New": "Genevra", "Old": "Consuela" }, { "AttributeName": "ccc", "New": "Eolanda", "Old": "Joceline" }, { "AttributeName": "ccc", "New": "Tersina", "Old": "Kary" }, { "AttributeName": "bbb", "New": "Molli", "Old": "Annecorinne" }, { "AttributeName": "ddd", "New": "Rosaline", "Old": "Dari" }, { "AttributeName": "fff", "New": "Carol-Jean", "Old": "Kerrin" }, { "AttributeName": "eee", "New": "Alie", "Old": "Daune" }, { "AttributeName": "ccc", "New": "Carilyn", "Old": "Ekaterina" }, { "AttributeName": "fff", "New": "Bobinette", "Old": "Dagmar" }, { "AttributeName": "eee", "New": "Susette", "Old": "Anica" }, { "AttributeName": "ccc", "New": "Jordan", "Old": "Roberta" }, { "AttributeName": "eee", "New": "Dianemarie", "Old": "Eve" }, { "AttributeName": "bbb", "New": "Darlleen", "Old": "Katharina" }, { "AttributeName": "fff", "New": "Morganica", "Old": "Edee" }, { "AttributeName": "aaa", "New": "Sean", "Old": "Anthia" }, { "AttributeName": "aaa", "New": "Jennica", "Old": "Joy" }, { "AttributeName": "ddd", "New": "Briney", "Old": "Cyndie" }, { "AttributeName": "bbb", "New": "Iseabal", "Old": "Caritta" }, { "AttributeName": "fff", "New": "Melisent", "Old": "Merle" }, { "AttributeName": "fff", "New": "Glenda", "Old": "Lindie" }, { "AttributeName": "ddd", "New": "Ernesta", "Old": "Correy" }, { "AttributeName": "bbb", "New": "Jobi", "Old": "Julieta" }, { "AttributeName": "eee", "New": "Glynnis", "Old": "Maye" }, { "AttributeName": "bbb", "New": "Gratia", "Old": "Christy" }, { "AttributeName": "ddd", "New": "Celisse", "Old": "Chandra" }, { "AttributeName": "ddd", "New": "Brena", "Old": "Dominga" }, { "AttributeName": "eee", "New": "Dennie", "Old": "Celestyna" }, { "AttributeName": "fff", "New": "Gusty", "Old": "Darlleen" }, { "AttributeName": "ddd", "New": "Marleah", "Old": "Leanna" }, { "AttributeName": "bbb", "New": "Dawn", "Old": "Tiffie" }, { "AttributeName": "eee", "New": "Bobinette", "Old": "Selma" } ];
Tests:
JSON.stringify.indexOf
var changes = []; if (JSON.stringify(a).indexOf('aaa') > -1) { for(var i=0;i<a.length;i++) { if (JSON.stringify(a[i]).indexOf('aaa') > -1) { changes.push(a[i].New); } } }
For loop
var changes = []; for(var i=0;i<a.length;i++) { if (a[i].AttributeName === 'aaa') { changes.push(a[i].New); } }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
JSON.stringify.indexOf
For loop
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll do my best to answer your questions. It seems like we have a JSON data object with multiple test cases, each containing a benchmark definition and a test name. The goal is to determine the most efficient approach for updating a JSON array based on certain conditions. To provide an answer, I need some clarification: 1. What are the conditions that should trigger the update of the `New` property in the JSON array? 2. How does the current implementation handle duplicate values in the `AttributeName` field? Assuming there's no specific information about the conditions or the current implementation, here are two possible approaches: **Approach 1: Using `JSON.stringify.indexOf()`** As shown in one of the benchmark definitions, using `JSON.stringify.indexOf()` can be an efficient way to check if a value exists in the array. However, this approach has some drawbacks, such as: * It requires converting each element's JSON string to lowercase or uppercase, which can lead to performance issues for large arrays. * It doesn't account for duplicate values in the `AttributeName` field. **Approach 2: Using a For loop** The other benchmark definition uses a traditional For loop approach. This method is more straightforward but may be slower than using `JSON.stringify.indexOf()` due to the overhead of the loop and potential index lookups. To determine the most efficient approach, I would recommend: * Analyzing the specific conditions that should trigger the update. * Measuring the performance of both approaches using a suitable testing framework. * Considering the trade-offs between code readability, maintainability, and performance. Please provide more context or clarify any assumptions I've made.
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