Lodash helps in working with arrays, collection, strings, objects, numbers etc. At the time of writing, "from lodash to underscore" has 10 Google hits, while "from underscore to lodash" has 340. As a verb underscore is to underline; to mark a line beneath text. The number of such projects fully analysed by LGTM is 3878. Although in an ideal world, this would have been a better approach, if you look at some of the performance links given in these slides, it is not hard to draw the conclusion that the quality of those ‘native implementations’ vary a lot browser-to-browser. project and possible dependency setup (Lodash, Underscore, any and both). If you want your project to require fewer dependencies, and you know your … Let me start with the things I’ve learned the hard way (that is, things which made my code explode on production:/): Underscore vs Lo-Dash by Ben McCormick is the latest article comparing the two: I just found one difference that ended up being important for me. the simplest way to tell whether a project uses any of the two is to look at the number of other things it uses. Here is a list of API pairings between lodash and underscores.. simple loops instead. and at that stage the project depends on Lodash, They are pretty similar, with Lodash is taking over…, They both are a utility library which takes the world of utility in JavaScript…, It seems Lodash is getting updated more regularly now, so more used in the latest projects…, Also Lodash seems is lighter by a couple of KBs…, Both have a good API and documentation, but I think the Lodash one is better…, Here is a screenshot for each of the documentation items for getting the first value of an array…, As things may get updated time to time, just check their website also…. as well as the number of changes to the dependencies over our time frame of two years. In this comparison we will focus on the latest versions of those packages. E.g. Here’s the current state of it for posterity: In addition to John’s answer, and reading up on Lodash (which I had hitherto regarded as a “me-too” to Underscore.js), and seeing the performance tests, reading the source-code, and blog posts, the few points which make Lodash much superior to Underscore.js are these: If you look into Underscore.js’s source-code, you’ll see in the first few lines that Underscore.js falls-back on the native implementations of many functions. the model is penalized (1 − 0.3)2 for its Lodash prediction (would ideally have been 1) and 0.72 for its Underscore prediction (would ideally have been 0). LGTM doesn't include just any JavaScript project. 70 years after his death, I am not sure if that is what OP meant, but I came across this question because I was searching for a list of issues I have to keep in mind when migrating from Underscore.js to Lodash. I've included all projects with at least 1 year of data during that time. This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3.0 Under the hood, Lodash has been completely rewritten. Read their (. Lodash’s modular methods are great for: Iterating arrays, objects, & strings; Manipulating & testing values; Creating composite functions . Creates an array of elements split into groups the length of size.If array can't be split evenly, the final chunk will be the remaining elements. It joined the Dojo Foundation in 2013, and via the jQuery Foundation and JS Foundation, is now part of the OpenJS Foundation.. Summary. Warning! Compare underscore-contrib and lodash's popularity and activity. much of it got included into the language, reasons for not abandoning the utility belts. Lodash is winning by being the first choice for projects adopting a new utility belt, True switches from using purely Underscore to using purely Lodash (the dark blue areas) A new scientific truth does not triumph by convincing its opponents and making them see the light, underbar | underscore | Underbar is a see also of underscore. However, projects are more volatile over longer periods. I believe that it’s better to prefer a code whose performance is more consistent across browsers. Firefox is damn fast in some of the functions, and in some Chrome dominates. This is much more likely than Lodash having been introduced just when the data collection started. They can be seen as an advanced version of Markov models. array (Array): The array to process. Choose whatever approach fits your needs the most. All gists Back to GitHub. 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