I have a data visualization component that has “width” as one of the props. A state keeps track of the zoom level in the chart, and it is updated when handling mouse events. The zoom needs to adjust when the width changes. Currently, I’m doing this inside a useEffect hook: But this makes the…
Tag: javascript
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…
Use an element which is selected via vanilla JavaScript with jQuery method
I want to use an element which is selected via vanilla JavaScript (prepareCaption) with jQuery method like .css… is this posibble? Answer So you just wrap $() around element as seen in the documentation here
How to recursively construct an JSON hierarchy from a NodeList?
Given the following input: I want to build an JSON object based on the above input: Here’s what I have tried so far: The result I’m getting is different from what I expect, Here’s the result I am getting: seems that some data are not there, Any idea what I might be missing? Answer fix html F…
Pure CSS overlay scrolling
using only css and html, is it possible to scroll away the inner div (overlay red div) completely before scrolling down the rest of the page? Essentially, wondering if overlay scrolling while freezing the behind div is possible in only css? Then once the red div is gone, unfreeze the background scrolling and …
expressGraphQL is not a function
I am learning GraphQL for my project using this tutorial: https://www.youtube.com/watch?v=ZQL7tL2S0oQ&ab_channel=WebDevSimplified and I get the error: I have already tried: this solution: graphqlHTTP is not a function – the program crashes all the same with {} parentheses and without them adding a s…
Bootstrap Tags Input – values doesn’t get removed from tagsinput
I am trying to remove input value from bootstrap-tags-input manually whenever x button is clicked but values doesn’t gets change nor from array neither from inputs . This is code which i have tried : I think values which i am getting from input box is not right i.e : not in correct format because when i…