I have an array of objects like so: const [categories, setCategories] = React.useState([ { id: 1, title: 'Top Picks', subTitle: "Today's hottest stuff", images: [], searchQuery: 'shoes', }, ...]); Which I update with values in useEffect once like so: React.useEffect(()…
There is a container ul that stays at a set height so when the content inside the ul overflows, it should remove the first item from the list. Each list item is shown as a search result and the ul…
I am learning React following this video, and while adding a new object to the state array containing all the tasks in this to-do list app changes are not getting immediately rendered but rather after some other state change when…
let input arr=[9,4,4,8,90,4,9,4,4,4,4,4,4,4,4,4,7,9,2,4,4,4,4,4,8,4,4,4,4]; let output arr=[1,7,9,11,13,15,19,21,25,27]; Above is an input array of numbers which contain mostly 4, if there is a pair of 4 which means (Input elements has 2 of the number 4 consecutively), its array position will be…
just have a question about how to push onto an array to ultimately store in the localstorage. I have the below code: const handleSelectLayouts = (layout) => { const layoutsArray = []; layoutsArray.includes(layout) ? layoutsArray.filter((str) => str !== layout) :…
I have existing PHP that accepts arrays as parameters. This is currently being invoked from javascript and the javascript array is being set directly as part of the data object sent through AJAX call to the php. Now, I want…
I'm confused to merge array contents from JavaScript. Please help to get the best way to get desired result. A i also have tried other ways referred on SO. [ { "Afghanistan": 2646432, "categories": "2018" }, { "Afghanistan": 6545700, "categories":…
Here i have Array of objects, in this agents array has 0 elements. i have add an object to this. "agents": [{}] in this i want to add below element: { "refURL": "/unifiedconfig/config/agentteam/5020", "changeStamp": 18, "agentCount": 0, "description": "Cumulus All…
I have create the json file from the sql table but the output is not same with the output i expected. Below is my code to create the json file from the sql table <?php include 'config.php'; $sql = "SELECT…
My problem in javascript is that I want specific elements in this case location.name to be thrown into change / array so that they don't repeat [Las "Żółta Górka", Park Wodziczki Poznań, Sala SP 5, Rzeszów]. My json api https://apidemo.outrainer.pl/firms/1/trainings?future=14&past=7…