How to use JQuery with ReactJS
It is generally not recommended to use jQuery with React because they both manipulate the DOM in different ways. React uses a virtual DOM, which is a lightweight in-memory representation of the actual DOM. This allows React to update the DOM more efficiently, because it only has to update the parts of the DOM that […]
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A component is changing an uncontrolled input of type text to be controlled error in ReactJS
In React, an uncontrolled input is a form input element where the value is managed by the DOM rather than by React. This means that the value of the input is not controlled by the component, and the component will not be able to update it when the input value changes. To fix this error, […]
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react-router – pass props to handler component
To pass props to a handler component in React Router, you can use the render prop. The render prop is a function that is passed to a route component and is used to render the handler component for that route. The render prop allows you to pass any additional props to the handler component when […]
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Programmatically navigate using react router V4
To programmatically navigate using React Router v4, you can use the history object. The history object provides methods for navigating, such as push and replace. Here is an example of how you can use the history object to navigate to a new route: In this example, when the user clicks the button, the handleClick function […]
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![How can I update state.item[1] in state using setState?](https://amhnewshub.com/wp-content/uploads/2022/12/How-can-I-update-state.item1-in-state-using-setState-300x169.jpg)
How can I update state.item[1] in state using setState?
To update a specific item in an array that is stored in state, you can use the setState method and provide a new array that includes the updated item. For example, let’s say you have the following state: To update ‘item2’ to ‘updated item’, you could use setState like this: You can also use the […]
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React Hooks: useEffect() is called twice even if an empty array is used as an argument
When using the useEffect hook, the function passed as the first argument will be called every time the component renders, unless you specify an array of dependencies as the second argument. If you want to prevent the useEffect function from being called more than once, you can pass an empty array as the second argument. […]
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Dynamically import images from a directory using webpack
To dynamically import images from a directory using webpack, you can use the context module. First, create a context with the path to your directory of images: Next, you can use this context in your code to import the images dynamically: The above code will import all the images in the specified directory and render […]
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How to render HTML string as real HTML react
To render an HTML string as real HTML in React, you can use the dangerouslySetInnerHTML property on a React element. This property takes an object with a __html key, which contains the HTML string you want to render. For example: Please note that using the dangerouslySetInnerHTML property can be risky as it can potentially expose […]
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How to scroll to an element?
There are a few different ways to scroll to an element on a page, depending on the specific circumstances. Here are a few options: Note that this will scroll the page so that the top of the element is at the top of the viewport. If you want to scroll so that the bottom of […]
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Updating an object with setState in React
To update an object with setState in React, you can use the setState method, which is a method available on React components. This method takes an object containing the new values for the state, and merges those values with the current state. Here’s an example of how you might use setState to update an object […]
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