How to use map() in React applications By Dawid Budaszewski javascript Map is one of the most popular and widely used functions when working with React. It has two prominent use cases. It’s quite similar to how the filter() works. The first one is to modify the state of the ...
The traditional approach, as we just learned, is to use mapStateToProps with the connect() function. This is still common in codebases and therefore worth learning. You can still use this approach with RTK, but the newer, React Hooks way of going about it is to use useDispatch and useSe...
Learn how to use the forwardRef function in React to expose DOM nodes inside a component to its parent component. In React, refs are used for storing values that don’t trigger a re-render when updated. We can also assign refs to DOM elements so that we can reference the ref to manipul...
React Redux offers a set of hooks that you can use to create cleaner code. This guide will introduce you to two of them: useSelector and useDispatch.
The Azure Maps Web SDK provides a Map Control that enables the customization of interactive maps with your own content and imagery for display in your web or mobile applications. This module is a helper library that makes it easy to use the Azure Maps REST services in web or Node.js applic...
map()calls a designated helper function once for every item in the array, processing the items sequentially in their original order. map()passes the current value, index, and the original array to the function. For some use cases, only the value is required. In these cases, the index and...
In my last two articles, “Using Ajax and REST APIs in .NET 5” and "Build a CRUD Page Using JavaScript and the XMLHttpRequest Object", I introduced you to using the XMLHttpRequest object to make Web API calls to a .NET 5 Web server. Whether you use jQuery, Angular, React, Vue,...
If you use HashMap, don’t forget to overrideequals()andhashCode()and do not use mutable objects as a key. Instead, make it immutable, because immutable objects:don’t change with time, areside-effects free,and are good in amulti-threading environment. ...
First, you need to importMarkerandInfoWindowcomponents from thegoogle-maps-reactlibrary in order to help you achieve loading of the two. src/App.js importReact,{Component}from'react';import{Map,GoogleApiWrapper,InfoWindow,Marker}from'google-maps-react'; ...
JTable.setFillsViewportHeight is invoked to set the fillsViewportHeight property. When this property is true the table uses the entire height of the container, even if the table doesn't have enough rows to use the whole vertical space. This makes it easier to use the table as a drag-and...