Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Some vs. Filter vs. lodash findIndex

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Lodash vs. Set Intersection vs Array intersection 3

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Implicit string conversion

Literals, such as strings, numbers, and boolean values, have two representations within ECMAScript. Each of them can be created as either a value or an object. For example, a string value is created simply by saying var oString = 'some content';, while an equivalent string object is created by saying var oString = new String('some content');. Any properties and methods are defined on the string object, not the value. When you reference a property or method of a string value, the ECMAScript engine must implicitly create a new string object with the same value as your string, before running the method. This object is only used for that one request, and will be recreated next time you attempt to use a method of the string value.

for ... of vs Array.forEach vs for cycle

Compare how to quickly iterate through array

Array Intersection Comparison

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lmao dude

lmao dude

Comparisons of performance for finding a value in an array

Comparing several different methods for finding an item in an array (assuming complex objects)

Diff empty array

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Array merging

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JavaScript concat vs spread 2020

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lodash merge vs object.assign vs spread vs manual forEach for array merging

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lodash merge vs object.assign vs spread vs manual forEach

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$.each vs for cycle for array of object 2

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$.each vs for cycle for array of object

Test which method work quicker for work with array

JQuery.grep vs Array.find

Compare how to find need element with different functions

JQuery: test find by class

Test find by class.

StckSpt

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<= or <

<= or <

Map vs Object2

Lookup of map vs object

Lodash deep clone vs JSON.stringfy davide

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Compare repetitive action

Test how to increase repetitive action with array and for..of cycle

increment compare

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JQuery: selector for find by class

Test different approach for found by class

$.each vs for..of for array

compare how to quick work with array in cycle

JQuery: append vs appendTo

Compare which function quicker for adding option to the select