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How to implement a load more button in React
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import React, { useState, useEffect } from "react"; | |
import Posts from "./Posts"; | |
import posts from "./postsArray"; | |
const postsPerPage = 3; | |
let arrayForHoldingPosts = []; | |
const App = () => { | |
const [postsToShow, setPostsToShow] = useState([]); | |
const [next, setNext] = useState(3); | |
const loopWithSlice = (start, end) => { | |
const slicedPosts = posts.slice(start, end); | |
arrayForHoldingPosts = [...arrayForHoldingPosts, ...slicedPosts]; | |
setPostsToShow(arrayForHoldingPosts); | |
}; | |
useEffect(() => { | |
loopWithSlice(0, postsPerPage); | |
}, []); | |
const handleShowMorePosts = () => { | |
loopWithSlice(next, next + postsPerPage); | |
setNext(next + postsPerPage); | |
}; | |
return ( | |
<div> | |
<Posts postsToRender={postsToShow} /> | |
<button onClick={handleShowMorePosts}>Load more</button> | |
</div> | |
); | |
}; | |
export default App; |
what is the implementation of postsArray ?
I'm not showing it here but it's shown in the tutorial itself.
postsArray.js is a file that holds and exports an array of post objects.
I.e you'll have something like
const posts = [
{id:1,...}
]
export default posts
Cool.. Thanks this helps
Hi, how would I go and reset the pagination on route change (when going back to that posts list page)?
Thanks
Hi , @onedebos it very simple code thank you
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what is the implementation of postsArray ?