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How to filter an incoming prop in React?

I’m trying to build a search bar using hooks but the props that I pass into my functional component gives me error and the output is never loaded. I pass the opt props from options.js to Filter.js. Here’s the code: Options.js Filter.js Answer In you Filter.js you are mapping directly the props.opt…

Add class to element on hover in Vue, without using data

In a Vue-component, I have a menu like this: And I would like to add the class hovered to the li.has-children-elements upon hover (mouseenter) (to be able to make some nicer animations for the children of that dropdown. And remove that class on mouseleave. I know that there are options to do this with pure CS…

d3.js Compressing links of a component

I am trying to select a set of nodes in a Force Directed Layout graph in d3, then to compress the component the nodes form. My idea was to make a force simulation, as shown below: Since it relies on distance, I thought finding and selecting the appropriate links in the graph’s data and shrinking it, suc…

Vue deep copy object not changing value

I have a vue component that has a deep copy of an asset called cachedAsset. It has a value called toDelete to mark a file for soft deletion. I have the following code this works as intended it changes the .toDelete to true and the file is filterd out in a process further down the line. The issue that I

Buttons in slider not working using javascript

I am trying to make a slider for a list of products and I have placed a button on each side of the slider to slide the products. The problem I am facing is that it works fine when I press exactly at the buttons but when I press anywhere around it, it throws the error Uncaught TypeError: Cannot read

javascript eval works one way but not the other, why?

I am trying to use eval function for dynamic assignment. I know it is bad practice and have modified the code to not use eval. Still though, I don’t understand why it worked one way but not the other. Here is what worked: What didn’t work: Can someone tell me what’s wrong with the second app…