D3.js group.get() Method Last Updated : 23 Sep, 2020 Summarize Comments Improve Suggest changes Share Like Article Like Report With the help of d3.group.get() method, we can get the values from the resulting map obtained by grouping an iterable data structure. Syntax: d3.group.get( value ) Return value: It returns the values from the map. Note: To execute the below examples you have to install the d3 library by using this command prompt we have to execute the following command. npm install d3 Example 1: In this example, we can see that by using d3.group.get() method, we are able to get the values from the resulting map obtained from the group. JavaScript // Defining d3 contrib variable var d3 = require('d3'); data = [ {name: "ABC", amount: "34.0", date: "11/12/2015"}, {name: "DEF", amount: "120.11", date: "11/12/2015"}, {name: "MNO", amount: "12.01", date: "01/04/2016"}, {name: "XYZ", amount: "34.05", date: "01/04/2016"} ] var grouped_data = d3.group(data, d => d.name) console.log(grouped_data.get("ABC")) Output: [ { name: 'ABC', amount: '34.0', date: '11/12/2015' } ] Example 2: JavaScript // Defining d3 contrib variable var d3 = require('d3'); data = [ {name: "ABC", amount: "34.0", date: "11/12/2019"}, {name: "DEF", amount: "120.11", date: "11/02/2020"}, {name: "MNO", amount: "12.01", date: "01/04/2020"}, {name: "XYZ", amount: "34.05", date: "03/04/2020"} ] var grouped_data = d3.group(data, d => d.name, d => d.date) console.log(grouped_data.get("XYZ")) Output: Map { '03/04/2020' => [ { name: 'XYZ', amount: '34.05', date: '03/04/2020' } ] } Comment More infoAdvertise with us Next Article Node.js console.group() Method J jitender_1998 Follow Improve Article Tags : JavaScript Web Technologies D3.js Similar Reads D3.js group() Method With the help of d3.group() method, we can group the iterable data structure into a map where the key is defined as the element from iterable and values as an array. Syntax: d3.group( iterable, ...keys ) Return value: It returns the map having key as element and value as an array. Note: To execute t 2 min read Collect.js groupBy() Method Collect.js is a wrapper library for working with arrays and objects which is dependency-free and easy to use. The groupBy() method is used to group the given collection items into multiple collections by a given key Syntax: collect(array).groupBy(key) Parameters: The collect() method takes one argum 2 min read Node.js console.group() Method The console. group() method is an inbuilt application programming interface of the console module which is used to print passed content in a grouped style. It indicates the start of a message group. To end this group we can use console. groupEnd() method. Syntax: console.group([label]); Parameters: 3 min read Node.js process.getgroups() Method The process.getgroups() method is an inbuilt application programming interface of the Process module which is used to get the supplementary group IDs. Syntax: process.getgroups() Parameters: This method does not accept any parameters. Return: It returns an integer array specifying supplementary gr 1 min read D3.js Array.from() Method With the help of Array.from() method, we can convert the map into an array by using this method. Syntax : Array.from( map ) Return value: It returns an array of different elements. Note: To execute the below examples you have to install the d3 library by using the command prompt we have to execute t 2 min read jQWidgets jqxGrid getgroup() Method jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxGrid is used to illustrate a jQuery widget that shows data in tabular form. Moreover, it renders full suppor 3 min read Like