How is React able to update only the parts of the DOM that require updating (because they've changed) as opposed to re-rendering the entire DOM? From what I understand, regular HTML/Javascript web pages react to changes in the DOM by…
I am making a custom web component using vanilla JavaScript and am having some issues with when the component should be rendered. At first I had my render() and hydrate() calls inside the constructor of the component. This worked well…
I have a web site which I specified background-color: #005181; using CSS. If I open that page in browser and then check what is the background color using a color picker extension, it is #065181. If I use GIMP and…
I am building a menu-planner app using React as my frontend framework. I built out CRUD actions for recipes, and have an index and show page. There is also an option on each RecipesShow page to add the recipe to…
So I currently have a component that looks like this: <Parent> <Child/> </Parent> However, sometimes I want to only return: <Child/> This could be done like this: if (condition) { return <Child/> } return ( <Parent> <Child/> </Parent> ) The…
reactJS. have created multiple charts eg bar chart, pie chart. when these charts are placed in dashboard and if i sort bar chart, pie chart also re-rendered. this reduces the performance if the dashboard contains like 5-6 charts and all…
I want to create a box that only has a border on the left and right and a radius on all corners. The borders should also have different colors. In Chrome, the corners are displayed correctly, except for the small…
If you look at the following codepen, you'll see a white, shiny "cup" which is a .glb that been loaded in using Three's GLTFLoader: https://codepen.io/snakeo/pen/XWOoGPL However, when I apply a texture on a portion of the mug the shiny cup…
I have a React component named Search where I'm iterating over data items and rendering a SearchCard component for each item. The SearchCard component contains logic for handling play and pause actions. I've noticed that the console log in the…
My react component is not rendering and i have no bugs. The issue is that if i change the isLoggedIn state to "true", my HeroSlide will not render if isLoggedin = false then: if isLoggedIn = true then: Here is…