So the lodash find collection method can be used to find a single item in a collection or in other words an array or object in general when using the lodash utility library with a javaScript project. Lodash helps in working with arrays, collection, strings, objects, numbers etc. So if you have an array of objects and you want to find a single object in the array by a certain key value pare _.find is the right tools for the job. I've tried this with lodash: The _.findIndex array method in lodash can be used to find the first index of an element in an Array that meets a specific condition. The _.isObject() method is used to find whether the given value is an object or not. The _.sortBy() method creates an array of elements which is sorted in ascending order by the results of running each element in a collection through each iteratee. The _.some() method is used to check if predicate return true for any element of collection. We have an array called cars that holds three objects. array: It is the array in which value is to be found. @DVLP I am concerned about your first point above. Both do exactly what you want in a single function call! With Lodash… Let’s take a look at a few examples to help you see the difference. June 17, 2019, at 6:00 PM. lodash and ES5 var song = _ . The includes method can be used as a way to find if a value is in an array, as it is a collection method that can be used with any object in general including arrays. Lodash is a JavaScript library that works on the top of underscore.js. How to find objects inside nested array of objects using lodash? Parameters: This method accepts three parameters as mention above and describe below. In modern browsers there is now Array.prototype.findIndex that works in very much the same manor as _.findIndex. indexOf(array, value, fromIndex) Note: If the value is not found in the array -1 is returned. In lodash there is the _.size method that is a collection method that will work with both arrays, and objects to return the element length of an array, or the number of enumerable properties of a plain old object of any sort. However doing so is really not all that hard with just plain old javaScirpt by itself also. Each object is a vehicle that has three properties: name, maker, and issuv. Check out Lodash's _.pluck() function or Underscore's _.pluck() function. value: It is the value to be looked in the array. find ( songs , { id : id }); var result = _.pluck(objArray, 'foo'); Update: _.pluck() has been removed as of Lodash v4.0.0, in favour of _.map() in combination with something similar to Niet's answer._.pluck() is still available in Underscore. Answer 1. It returns a Boolean value True if the given value parameter is an object and returns False otherwise. The description of .every mentions:. The filter method returns an array of results. Lodash helps in working with arrays, strings, objects, numbers, etc. In this case I just need to call the lodash includes method and pass an the array as the first argument followed by the value that I … Iteration is stopped once predicate return true. Note : cards array object should be compare on the bassis of cardCode key. Syntax: _.some(collection, predicate) Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, collection, strings, objects, numbers etc. Example 1. 375. at one point in a loop, I have the station.id and dayPart (am or pm) values, and I need to see if the todayShift array contains an object that is in the appropriate dayPart and has the station.id value, and return that object if it exists. Instead of finding if each element is present with every use some to break on first not found element..every and .some are alike in that they will early exit when the false condition is detected. 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