I have the following array of objects in a Node.js script: What I need is to have this grouped by the start and assigned_agent keys. I have tried filter function examples but no luck. Not, there are other key/value pairs in the array but omitting them for the sake of clarity. Also, while this is a Node.js scr…
Tag: javascript
Generate striped blocks of indexes from an array
I have an array of n length and I want to generate a new array to act as a list of its indexes such that the indexes are “striped” into blocks. By “striping” I mean that we’ll move up the indexes from A-Z in an incremental fashion multiple times, retaining a patterned order. For …
React hook useState with old state on children’s first render useEffect
Example: https://codesandbox.io/s/react-hooks-playground-forked-15ctx?file=/src/index.tsx One parent with one useState hook and 3 children with a useEffect hooks. I want the children to update the state in the parent via a callback so that all the components state are updated into one object in the parent. Th…
How can i make div content appear with animation when clicking a button that injects HTML?
I am currently learning on my own some CSS & JS and i’m stuck on a part i really want to work on but have trouble finding the right answers online as there seem to be a tons of methods yet i couldn’t make any of them work. Here is a snippet of what i have in mind : The
How do I access a list where “li” elements contain it’s child “a”?
I want to put every “a” element into array. After I access to a “li” element, I can’t go any further in reaching element “a”. I know it looks easy, but I can’t figure it out for some reason, please help Answer It’s not very clear what your after here. But …
onBlur event prevents onClick event
I have an input text box with an onfocus and an onblur event. Under the text box is a div which is hidden by with display: none. The div should be displayed if text box is focused and hide if blurred. This seem to work. Now I want to let the div stay visible or do any clicks on div
Radius Line Appears on Moving Arc
I was trying to create these shapes moving, the shape is made up of a semicircle and a symmetric upper arc & lower arc. They should be just the shape in front but now there are line like a tail dragging behind when they move. The output shape with unknown tail It seems like these lines are from the moveTo
Move an image after (x) seconds
Im trying to make an image move to a random spot on the webpage after 5 seconds so far I have this: How do I get it to move after 5 seconds? Answer create an moveImage function: Update the onClick to use the new function: Update the interval to use the new function: The whole thing:
HERE map controls not loading in React
I’m trying to display zoom in and zoom out control in HERE maps in React. I’ve followed the steps mentioned in the documentation, but I’m not getting any help from there. I’ve followed everything in the link: https://developer.here.com/tutorials/react/ My map component link: https://gi…
JSON formation from a JSON data
I have the JSON data below. I need the JSON to split and form a new JSON data object. I’m new to this and am struggling to get a way to solve this. below JSON data: This has to be done for all the session_id values in the input JSON data. It has to form all the JSON data to