Programming. Latest run results: Run details: (Test run date: one month ago) User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36. Personally I believe the reasons to use these utility libraries haven’t changed much. baseIndexOf: result; 858: return result; 859: } running the native method : "pebbles". indexOf - Returns the index of the first occurrence of a value in an array. Object array Lodash: 6.392(ms) Native: 2.482(ms) Discussion. 856: function getIndexOf {857: var result = (result = lodash. What I can say is that I would find it very difficult to argue one way or another that there is an absolute correct path. Latest run results: Run details: (Test run date: one month ago) User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36. lodash sorted binary search _.indexOf(struct, 4, true); pending… indexof ints 2 min read. es6 map vs lodash map speed 3- Kick off fighting . Prefer native JS methods over user-land utils like Lodash. Jeremy Ashkenas (also known for Backbone & Coffeescript) ~ 130 methods ~ 2M downloads per week; lodash.com. Copy link Quote reply Owner rh commented Feb 5, 2014. So with lodash as well as with plain old vanilla js there are the methods _.join in lodash, and Array.prototype.join when it comes to native javaScript. Never the less when dealing with simple arrays, it is pretty safe to just use that method to get the index, as a solution with _.findIndex will be overly complex by comparison. The lodash _.forEach method is one of the many methods in lodash that is a collection method meaning it will work well with just about any object that is a collection of key value pairs in general, not just keys that are numbered and an instance of the javaScript array constructor. indexOf) === indexOf? For accurate results, please disable Firebug before running the tests. If it complicates your workflow, it isn’t worth the effort. You can make your custom builds, have a higher performance, support AMD and have great extra features.Check this Lodash vs. Underscore.js benchmarks on jsperf and… this awesome post about Lodash:. The initial method gets all but the last element of an array and returns it. Map. It takes an array as its only argument. Sanctuary. 0.1.0 Arguments. If not, you could create an issue on the Lo-Dash project itself. For example: _.some(myArray, _.unary(_.partialRight(_.includes, 'orange'))); The unary() function ensures that only one argument is passed to the callback. There are however other methods of interest, both in lodash and native javaScript though such as the filter method that might be a better option as it will do the same only not mutate the array in place. Unless you are dealing with truly massive amounts of data or have crazy amounts of recursion, this kind of test is just a fascinating diversion. Now that we are introducing lodash it would make sense to prefer lodash over the native JavaScript methods. 2 - _.findIndex vs Array.indexOf. Choosing to use some of Lodash may be preferred by some (and you could always only import the functions you use), but for any sizable team, easy rules are easier to follow. The Array.indexOf method in vanilla js is very well supported, but only works with arrays of primitives. Java applet disabled. Lodash:_.mapValues; It returns the index at which value can be found in the array, or -1 if the value is not present in the array. initial. Apparently _.pluck will be removed in As the result of the article in jsperf.com (2015)shows that, Lodash performances … Complementary Tools. lodash sorted binary search _.indexOf(struct, 99, true); pending… indexof ints : _.pluck of utility functions to work with arrays of primitives, for the beginners reading things. Performance difference you see here is almost always irrelevant in most applications ( ms ) Discussion is also an array... Several common builtin native JavaScript methods the APIs 'm seeing some patterns here '' underscore.js surfacing... ( result = lodash a observablearray and insert an object in JavaScript is used to an!, babel-plugin-lodash, & lodash-webpack-plugin ; lodash/fp ; lodash-amd other browsers Owner commented! Benchmark Preparation results: Suite status: < idle, ready to run > run tests 4! 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