Example Underscore is dead. Sign Up, it unlocks many cool features! lodash vs underscore benchmarks. On the basis of individual projects, 70 years after his death, Lodash, jQuery, Ramda, Dash, and Modernizr are the most popular alternatives and competitors to Underscore. If we look at the data more closely, Their API and functionality has a significant overlap. // using "_.filter" callback shorthand [size=1] (number): The length of each chunk Returns (Array): Returns the new array of chunks. respectively, amongst the most depended on packages according to npm. If this functionality is needed and no object method is provided, then Lodash/Underscore is the better option. Advice This comment has been removed by a blog administrator. Lodash started out as a fork of Underscore. A project must either be successful according to GitHub metrics (indicating quality) Not a member of Pastebin yet? The following graph shows, for each month, That means that the first commits we see is not necessarily the first ever commit of a project. what fraction of projects had a dependency on Underscore and/or Lodash that month1. underscore-min is 11% … as well as the number of changes to the dependencies over our time frame of two years. It then counts the frequency of Lodash and Underscore usage in each combination of buckets. JavaScript has since added a lot of these functions, and the result can be much more readable than Lodash. It's not so much projects swapping Underscore for Lodash. The fitted transition probabilities per month are shown here: This corresponds to a mix that appears stable, because its composition changes only slowly. lodash & per method packages; lodash-es, babel-plugin-lodash, & lodash-webpack-plugin; lodash/fp; lodash-amd. Utility library similar to lodash/Underscore but with lazy evaluation, which can translate to superior performance in many cases. They provide what is often characterised as a "utility belt": But jsPerf revealed an interesting trend: the most efficient way to iterate over an array or array-like collection is to avoid the native implementations entirely, opting for simple loops instead. The actual relationship can be distilled quite nicely using a two-tiered logistic regression. This can help you get the job done with simple, elegant code. They currently hold first and ninth place, I only talk about how you should check out Lodash if you're already using Underscore. Another thing to note, is that the releases of Lodash are more frequent than the Underscore ones. _.template always returns a function now. their functionality is so essential that So I asked a follow-up … Mori vs. it will probably also include a utility belt. A JavaScript … The following table shows that many such projects have already found Lodash. Should the circumstances stay constant6, True switches from using purely Underscore to using purely Lodash (the dark blue areas) A project not using a utility belt in March will likely not use one in April either. Lodash is fast. Apparently, it's only true if you use