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Tag: reactjs

Expand div in a Class component

I’m following this react-flip-toolkit tutorial in order to animate a<div> expansion in a component: This is the tutorial code: My project however, unlike the functional Component example above, uses Class components, like so: How can I declare AnimatedSquare() in my Class component and encapsulate my target <div> above within <Flipper/> and <Flipped/>? Answer I’ve converted the example to a class

Can’t use a variable in require() in React

I am using the source of an image through a variable array. I tried the variable and with the backticks as well but it is giving me error that Error: Cannot find module ‘../../images/sectors/pellet-mill.png’. If I am using the source url only it works fine. Why can’t we use the variable in require()?? Answer Webpack can only bundle resources that

React – useState property not updating

I’m having trouble with react useState hook. I’m trying to clean the state on a dialog close. But theres’s always one property that does not gets updated. Buttons: —- Edit —- That button opens a dialog box which has a textfield: This is how the dialog box open and closes: This is the state: This is the edit button click:

Display value returned by function in component

I have this component Field.jsx. players is a list of dicts which contains structures like so: And I have created this function to filter a list of dicts so as to display all players names based on a position: And here I’m trying to display the first player ‘name’ returned by the function directly <Position> HERE </Position>, with: On my

Why is slice returning an empty array?

I have a set of booleans. Goal: I am trying to change a value based on the index by slicing the old lock array. Issue: If the value is 1, the last part of the array (locks.slice(value + 1)) is returning as empty. Shouldn’t slice returns the selected elements in an array, as a new array object, so it’s not

Convert class component to functional component in ReactJS

Can some please convert this entire code into functional based component code ? This code below is entirely based on Class Components. I want to convert it to functional component but since i am new to React everytime functional component is giving some error.So, please someone change it to functional component (entire code) Answer Here you go …

JavaScipt: Pass HTML entities as function parameter

Is there any way to pass HTML entities as function parameters in JavaScript. I am building a React app and I need to pass HTML entities from parent component to child component as a prop and then display character represented by that entity in the child component. For example, please refer stackblitz here. In Hello component I need to print

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