{"id":16007,"date":"2022-12-31T10:40:52","date_gmt":"2022-12-31T05:10:52","guid":{"rendered":"https:\/\/www.guvi.in\/blog\/?p=16007"},"modified":"2026-07-22T16:11:21","modified_gmt":"2026-07-22T10:41:21","slug":"how-to-render-an-array-of-objects-in-react","status":"publish","type":"post","link":"https:\/\/www.guvi.in\/blog\/how-to-render-an-array-of-objects-in-react\/","title":{"rendered":"Render Array of Objects in React: 3 Methods with Code (2026)"},"content":{"rendered":"\n<p>Rendering an <strong>array of objects<\/strong> is one of the first real hurdles every React developer hits \u2014 your data looks fine in the console, but somehow the UI won&#8217;t show it, or worse, throws a cryptic key warning. It&#8217;s a small problem with an outsized number of ways to get it wrong.<\/p>\n\n\n\n<p>This guide fixes that, once and for all. You&#8217;ll learn three practical ways to render lists in React, why the key prop actually matters, how to handle nested data, and how to keep things fast even when your array has thousands of items.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>TL;DR Summary<\/strong><\/h2>\n\n\n\n<ul>\n<li>Rendering an array of objects in React means turning each object into a JSX element, usually with <code>.map()<\/code>, <code>filter().map()<\/code>, or <code>reduce()<\/code>.<\/li>\n\n\n\n<li>The <code>key<\/code> prop is mandatory because React uses it to track item identity across renders \u2014 without it, updates default to position and can mismatch state.<\/li>\n\n\n\n<li>Nested arrays of objects need a separate <code>.map()<\/code> for each level, with its own unique <code>key<\/code>.<\/li>\n\n\n\n<li>Large arrays should use virtualization, memoization, and stable props to stay fast.<\/li>\n\n\n\n<li>Common errors \u2014 missing keys, undefined arrays, direct mutation \u2014 are almost always fixed by giving React a stable identifier and creating new array references.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"background-color: #099f4e; border: 3px solid #110053; border-radius: 12px; padding: 18px 22px; color: #FFFFFF; font-size: 18px; font-family: Montserrat, Helvetica, sans-serif; line-height: 1.6; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); max-width: 750px;\">\n  <strong style=\"font-size: 22px; color: #ffffff;\">\ud83d\udca1 Did You Know?<\/strong><br \/><br \/>\n  <span>\n    A list of <strong style=\"color: #110053;\">1,000 items<\/strong> doesn&#8217;t mean React updates\n    <strong style=\"color: #110053;\">1,000 DOM nodes<\/strong>\u2014with proper\n    <strong style=\"color: #110053;\">key<\/strong> props, React updates only the\n    <strong style=\"color: #110053;\">items that actually changed<\/strong>.\n  <\/span>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Is an Array of Objects in React? (Definition, Use Cases &amp; Why You Need to Render It)<\/strong><\/h2>\n\n\n\n<p>An <strong>array of objects<\/strong> is a list where each item is a small package of related data, not just a single value. Instead of a plain list of names, you get a list of full records \u2014 each with its own properties.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const products = &#91;\n  { id: 1, name: \"Wireless Mouse\", price: 799 },\n  { id: 2, name: \"Mechanical Keyboard\", price: 2499 },\n  { id: 3, name: \"USB-C Hub\", price: 1199 },\n];<\/code><\/pre>\n\n\n\n<p><strong>Common use cases:<\/strong><\/p>\n\n\n\n<ul>\n<li>A list of users, products, or blog posts fetched from an API<\/li>\n\n\n\n<li>Table rows or dashboard cards<\/li>\n\n\n\n<li>Dropdown or filter options<\/li>\n\n\n\n<li>Cart items, comments, notifications<\/li>\n\n\n\n<li>Any data with more than one field per entry<\/li>\n<\/ul>\n\n\n\n<p><strong>Why do you need to render it:<\/strong><\/p>\n\n\n\n<p>Your data doesn&#8217;t become a <a href=\"https:\/\/www.guvi.in\/blog\/what-is-user-interface\/\" target=\"_blank\" rel=\"noreferrer noopener\">UI<\/a> on its own. React doesn&#8217;t know how to display an array \u2014 it only knows how to display <a href=\"https:\/\/en.wikipedia.org\/wiki\/JavaScript_XML\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">JSX<\/a> elements. So every object in that array has to be turned into something visual: a row, a card, a list item.<\/p>\n\n\n\n<p>The real reason this step matters isn&#8217;t just &#8220;to show the data.&#8221; It&#8217;s that each object usually needs to become an <em>interactive, trackable<\/em> piece of UI \u2014 something that can update on its own when its data changes, without redrawing everything else on the page. <\/p>\n\n\n\n<p>That&#8217;s the actual job of rendering an array of objects in React: not just displaying the data once, but giving each item an identity so React can update it independently, later, as your app changes.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>You can render a React list in minutes\u2014but building products people actually use is a whole different game. HCL GUVI&#8217;s IITM Pravartak &amp; MongoDB Certified <a href=\"https:\/\/www.guvi.in\/zen-class\/ai-software-development-course\/?utm_source=blog&amp;utm_medium=hyperlink&amp;utm_campaign=how-to-render-an-array-of-objects-in-react\" target=\"_blank\" rel=\"noreferrer noopener\">AI Software Development Course<\/a> helps you bridge that gap with real-world projects, AI tools, and industry mentorship.<\/em><\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3 Ways to Render an Array of Objects in React (With Code Examples)<\/strong><\/h2>\n\n\n\n<p>There are a few solid ways to render an array of objects in <a href=\"https:\/\/www.guvi.in\/blog\/what-is-reactjs\/\" target=\"_blank\" rel=\"noreferrer noopener\">React<\/a>, and picking the right one depends on whether you need to show everything, filter it first, or transform it into something new. Here are the three you&#8217;ll use most:<\/p>\n\n\n\n<ul>\n<li><code>.map()<\/code><\/li>\n\n\n\n<li><code>filter().map()<\/code><\/li>\n\n\n\n<li><code>reduce()<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. map()<\/strong><\/h3>\n\n\n\n<p>This is the go-to method for rendering an array of objects. It takes every item in the array and turns it into a piece of JSX \u2014 nothing gets skipped, nothing gets removed. Use this when you want to display the full list as it is.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const products = &#91;\n  { id: 1, name: \"Wireless Mouse\", price: 799 },\n  { id: 2, name: \"Mechanical Keyboard\", price: 2499 },\n  { id: 3, name: \"USB-C Hub\", price: 1199 },\n];\n\nfunction ProductList() {\n  return (\n    &lt;ul&gt;\n      {products.map((product) =&gt; (\n        &lt;li key={product.id}&gt;\n          {product.name} \u2014 \u20b9{product.price}\n        &lt;\/li&gt;\n      ))}\n    &lt;\/ul&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p><strong><em>Code Explanation:<\/em><\/strong><\/p>\n\n\n\n<p>Here, <code>.map()<\/code> runs once for every object in <code>products<\/code>. Each object gets destructured into <code>name<\/code> and <code>price<\/code> for display, and <code>product.id<\/code> is passed as the <code>key<\/code> so React can track each <code>&lt;li&gt;<\/code> individually. The result is a new array of <code>&lt;li&gt;<\/code> elements, which React renders inside the <code>&lt;ul&gt;<\/code>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. filter().map()<\/strong><\/h3>\n\n\n\n<p>This method is for when you don&#8217;t want to show the whole array \u2014 only the items that match a certain condition. You filter first, then map over what&#8217;s left. It&#8217;s the standard pattern for search results, category filters, or showing only &#8220;active&#8221; or &#8220;in stock&#8221; items.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function InStockProducts() {\n  return (\n    &lt;ul&gt;\n      {products\n        .filter((product) =&gt; product.price &lt; 2000)\n        .map((product) =&gt; (\n          &lt;li key={product.id}&gt;\n            {product.name} \u2014 \u20b9{product.price}\n          &lt;\/li&gt;\n        ))}\n    &lt;\/ul&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p><strong><em>Code Explanation:<\/em><\/strong><\/p>\n\n\n\n<p><code>.filter()<\/code> runs first and checks every object against the condition <code>product.price &lt; 2000<\/code>, keeping only the ones that pass and dropping the rest. <\/p>\n\n\n\n<p>That shorter, filtered array is then handed off to <code>.map()<\/code>, exactly like before, to turn it into JSX. Nothing about the rendering step changes \u2014 the only difference is the array is smaller by the time it gets there.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. reduce()<\/strong><\/h3>\n\n\n\n<p><code>.reduce()<\/code> is the odd one out \u2014 it&#8217;s not really &#8220;for rendering&#8221; the way <code>.map()<\/code> is. It&#8217;s for reshaping the array of objects into something else first, like grouping items, totaling values, or building a lookup object. You&#8217;d typically use <code>.reduce()<\/code> to prepare the data, then render the result separately.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const cartItems = &#91;\n  { id: 1, name: \"Wireless Mouse\", price: 799, qty: 2 },\n  { id: 2, name: \"USB-C Hub\", price: 1199, qty: 1 },\n];\n\nfunction CartTotal() {\n  const total = cartItems.reduce((sum, item) =&gt; sum + item.price * item.qty, 0);\n\n  return &lt;p&gt;Total: \u20b9{total}&lt;\/p&gt;;\n}\n<\/code><\/pre>\n\n\n\n<p><strong><em>Code Explanation:<\/em><\/strong><\/p>\n\n\n\n<p><code>.reduce()<\/code> walks through the array one item at a time, carrying a running value (<code>sum<\/code>) forward at each step. Here, it multiplies each item&#8217;s <code>price<\/code> by its <code>qty<\/code> and adds that to the running total, starting from <code>0<\/code>. <\/p>\n\n\n\n<p>By the end, <code>total<\/code> is a single number \u2014 not an array \u2014 which is why this method is used to calculate a value to render, rather than to generate a list of elements directly.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>Download HCL GUVI&#8217;s free <a href=\"https:\/\/www.guvi.in\/mlp\/js-ebook?utm_source=blog&amp;utm_medium=hyperlink&amp;utm_campaign=how-to-render-an-array-of-objects-in-react\" target=\"_blank\" rel=\"noreferrer noopener\">JavaScript eBook<\/a> to master JavaScript fundamentals with practical examples and hands-on exercises.<\/em><\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why the <\/strong><code>key<\/code><strong> Prop Is Mandatory When Rendering Lists in React<\/strong><\/h2>\n\n\n\n<p>React&#8217;s whole rendering model is built on <strong>reusing <\/strong><a href=\"https:\/\/www.guvi.in\/blog\/guide-for-dom-nodes\/\" target=\"_blank\" rel=\"noreferrer noopener\">DOM nodes<\/a><strong> and component state<\/strong> instead of destroying and rebuilding everything on every render \u2014 that&#8217;s what makes it fast. To reuse something, React first has to answer one question: &#8220;Is this the same item as last time, or a new one?&#8221; <\/p>\n\n\n\n<p>That answer has to come from somewhere \u2014 and that&#8217;s the actual reason tracking is mandatory. Without a stable identity per item, React has no basis to decide whether to reuse, create, or destroy, so it defaults to position, which is often wrong.<\/p>\n\n\n\n<p><strong>Without a key:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{users.map((user) =&gt; (\n  &lt;li&gt;\n    {user.name} &lt;input type=\"text\" placeholder=\"note\" \/&gt;\n  &lt;\/li&gt;\n))}\n<\/code><\/pre>\n\n\n\n<p>React can&#8217;t tell these items apart, so it assumes &#8220;item at position 0 is still item 0.&#8221; If a new user is added to the <em>front<\/em> of the list, React just updates the text of the existing <code>&lt;li&gt;<\/code> at position 0 \u2014 it doesn&#8217;t realize a <em>new<\/em> item was inserted. The old <code>&lt;input&gt;<\/code>, and whatever was typed in it, stays attached to the wrong name.<\/p>\n\n\n\n<p><strong>With a key:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{users.map((user) =&gt; (\n  &lt;li key={user.id}&gt;\n    {user.name} &lt;input type=\"text\" placeholder=\"note\" \/&gt;\n  &lt;\/li&gt;\n))}\n<\/code><\/pre>\n\n\n\n<p>Now <code>user.id<\/code> gives React a real identity to check against, independent of position. So when the list reorders, React can correctly say &#8220;this <code>id<\/code> already existed \u2014 reuse it,&#8221; or &#8220;this <code>id<\/code> is new \u2014 create it.&#8221; Reused items keep their state and DOM node; new items get fresh ones.<\/p>\n\n\n\n<p><strong>In short<\/strong>,&nbsp;React needs to track identity because it decides&nbsp;what to reuse vs. rebuild&nbsp;based on that identity. <code>key<\/code> is mandatory because, without a real identifier, that decision defaults to position \u2014 and position isn&#8217;t a reliable stand-in for identity.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><em><strong>Also Read:<\/strong> <a href=\"https:\/\/www.guvi.in\/blog\/how-to-use-props-in-react\/\" target=\"_blank\" rel=\"noreferrer noopener\">How to use Props in React<\/a><\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>Level up your React game with HCL GUVI&#8217;s <a href=\"https:\/\/www.guvi.in\/mlp\/react-ebook?utm_source=blog&amp;utm_medium=hyperlink&amp;utm_campaign=how-to-render-an-array-of-objects-in-react\" target=\"_blank\" rel=\"noreferrer noopener\">React eBook<\/a>\u2014learn the basics, build cool projects, and start shipping real apps.<\/em><\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Rendering a Nested Array of Objects in React (One Level Deeper)<\/strong><\/h2>\n\n\n\n<p>A nested array of objects is just an object that has another array of objects tucked inside one of its fields. To render it, you iterate over the outer array as usual \u2014 but inside that loop, for each item, you iterate over its inner array as well.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const teams = &#91;\n  {\n    id: 1,\n    name: \"Design\",\n    members: &#91;\n      { id: 101, name: \"Aarav\" },\n      { id: 102, name: \"Meera\" },\n    ],\n  },\n  {\n    id: 2,\n    name: \"Engineering\",\n    members: &#91;\n      { id: 201, name: \"Kabir\" },\n    ],\n  },\n];\n\nfunction TeamList() {\n  return (\n    &lt;div&gt;\n      {teams.map((team) =&gt; (\n        &lt;div key={team.id}&gt;\n          &lt;h3&gt;{team.name}&lt;\/h3&gt;\n          &lt;ul&gt;\n            {team.members.map((member) =&gt; (\n              &lt;li key={member.id}&gt;{member.name}&lt;\/li&gt;\n            ))}\n          &lt;\/ul&gt;\n        &lt;\/div&gt;\n      ))}\n    &lt;\/div&gt;\n  );\n}\n<\/code><\/pre>\n\n\n\n<p>Here&#8217;s what&#8217;s actually happening: the outer <code>.map()<\/code> runs once per team, so it fires twice \u2014 once for &#8220;Design,&#8221; once for &#8220;Engineering.&#8221; Each time, it gives you back one <code>team<\/code> object. But <code>team.members<\/code> is <em>itself<\/em> an array of objects, so a plain <code>{team.name}<\/code> won&#8217;t show it \u2014 you have to map over it separately, inside the outer loop, to turn those member objects into <code>&lt;li&gt;<\/code> elements too.<\/p>\n\n\n\n<p>So you end up with two <code>.map()<\/code> calls doing two different jobs at the same time: the outer one builds one block per team, and the inner one builds the list of people inside that block. <\/p>\n\n\n\n<p>And notice both levels get their own <code>key<\/code> \u2014 <code>team.id<\/code> for the outer <code>&lt;div&gt;<\/code>, <code>member.id<\/code> for the inner <code>&lt;li&gt;<\/code> \u2014 because React needs to track identity at <em>every<\/em> level it&#8217;s rendering a list, not just the outermost one.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><em>Reading about <code>.map()<\/code>, <code>.filter()<\/code>, and <code>.reduce()<\/code> is one thing \u2014 writing them until they&#8217;re muscle memory is another. <strong><a href=\"https:\/\/www.guvi.in\/webkata\/\" target=\"_blank\" rel=\"noreferrer noopener\">HCL GUVI&#8217;s WebKata<\/a><\/strong> gives you a live, in-browser coding environment to practice real JavaScript challenges (plus HTML &amp; CSS) with zero setup.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Performance Optimization for Rendering Large Arrays in React<\/strong><\/h2>\n\n\n\n<p>Rendering large <a href=\"https:\/\/www.guvi.in\/blog\/guide-for-arrays-in-javascript\/\" target=\"_blank\" rel=\"noreferrer noopener\">arrays<\/a> gets slow because React has to create and diff every single DOM node \u2014 even ones the user can&#8217;t see yet. Here&#8217;s how to actually fix that:<\/p>\n\n\n\n<p><strong>1. Virtualization<\/strong> \u2014 only render the items currently visible on screen, not the whole list.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import { FixedSizeList as List } from \"react-window\";\n\n&lt;List height={400} itemCount={items.length} itemSize={35} width={300}&gt;\n  {({ index, style }) =&gt; &lt;div style={style}&gt;{items&#91;index].name}&lt;\/div&gt;}\n&lt;\/List&gt;\n<\/code><\/pre>\n\n\n\n<p><strong>2. Memoization<\/strong> \u2014 wrap row components in <code>React.memo<\/code> so they skip re-rendering if their own data hasn&#8217;t changed.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const Row = React.memo(({ item }) =&gt; &lt;li&gt;{item.name}&lt;\/li&gt;);\n<\/code><\/pre>\n\n\n\n<p><strong>3. Stable keys and props<\/strong> \u2014 avoid creating new objects\/functions inline inside <code>.map()<\/code>, since that breaks memoization even when the underlying data is unchanged.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\/\/ Bad \u2014 new function created every render<\/strong>\n{items.map((item) =&gt; (\n  &lt;Row key={item.id} onClick={() =&gt; handleClick(item.id)} item={item} \/&gt;\n))}\n\n<strong>\/\/ Better \u2014 stable reference<\/strong>\nconst handleClick = useCallback((id) =&gt; { \/* ... *\/ }, &#91;]);\n<\/code><\/pre>\n\n\n\n<p><strong>4. Pagination or lazy loading<\/strong> \u2014 don&#8217;t render 10,000 items at once if the user only needs 20 on screen; fetch and render in chunks.<\/p>\n\n\n\n<p>Together, these keep the DOM small, re-renders cheap, and the list fast even as the data grows.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Common Errors When Rendering Array of Objects<\/strong><\/h2>\n\n\n\n<p>When rendering arrays of objects in React, these are the errors you&#8217;ll run into most often:<\/p>\n\n\n\n<ul>\n<li>Missing or duplicate <code>key<\/code> props<\/li>\n\n\n\n<li>&#8220;Cannot read properties of undefined&#8221; when mapping<\/li>\n\n\n\n<li>Mutating array state directly instead of creating a new array<\/li>\n\n\n\n<li>Using array index as key on lists that reorder or filter<\/li>\n\n\n\n<li>Forgetting to <code>return<\/code> JSX inside a block-bodied <code>.map()<\/code> callback<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>Rendering an array of objects in React isn&#8217;t complicated once you know what&#8217;s actually happening under the hood \u2014 React needs identity to track items, and everything from <code>key<\/code> warnings to laggy lists traces back to that one idea. Get that part right, and the rest \u2014 nesting, filtering, performance \u2014 is just applying the same logic one layer deeper.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQs<\/strong><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1683863921977\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">1. How do you render multiple objects in React?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>You can\u00a0<strong>use the Array&#8217;s map functionality<\/strong> to render multiple elements in React. Simply map all your objects into React fragments, so that your Function component can make use of it. But don&#8217;t forget to set a unique key prop!<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1683863986735\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">2. How do I render multiple components?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Even if we have multiple elements to render, there can only be a single root element. This means that if we want to render two or more elements, we have to\u00a0<strong>wrap them in another element or component<\/strong>. Commonly, the element used for this is a &lt;div> tag.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1683864224284\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">3. How to render an array of objects in React?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Using these simple and easy steps, you can render an array of objects in React:<\/p>\n<p><em><strong>Step 1: <\/strong>Create a react application. <br \/><strong>Step 2: <\/strong>Change directory. <br \/><strong>Step 3: <\/strong>Create<\/em> data as an <em>array. <br \/><strong>Step 4: <\/strong>Mapping the array into a new array of JSX nodes as arrayDataItems. <br \/><strong>Step 5:<\/strong> Return arrayDataItems from the component wrapped in &lt;ul><\/em><\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1693296319774\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">4. How do you iterate an array of objects in React JS?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>To iterate through an array of objects in ReactJS, you must use the map () method. It creates a new array by applying a provided function to each element of the original array. Within the function, you can access and render each object&#8217;s properties as and when needed, effectively iterating through and rendering them in your React component.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1693296494404\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">5. How do you set an array of objects in state in React JS?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>To set an array of objects in the state of a React component, you can use the &#8216;useState&#8217; hook. So to do this, first, import &#8216;useState&#8217; from &#8216;react&#8217;. Then, declare a state variable using useState and initialize it with your array of objects. To update the state, use the setter function provided by the useState hook. And voila, now you can easily manage and modify the array of objects within your component&#8217;s state.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Rendering an array of objects is one of the first real hurdles every React developer hits \u2014 your data looks fine in the console, but somehow the UI won&#8217;t show it, or worse, throws a cryptic key warning. It&#8217;s a small problem with an outsized number of ways to get it wrong. This guide fixes [&hellip;]<\/p>\n","protected":false},"author":64,"featured_media":71884,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[814,816,815],"views":"166589","authorinfo":{"name":"Abhishek Pati","url":"https:\/\/www.guvi.in\/blog\/author\/abhishek-pati\/"},"thumbnailURL":"https:\/\/www.guvi.in\/blog\/wp-content\/uploads\/2022\/12\/How-to-Render-an-Array\u2028Of-Objects-in-React_-\u2028in-3-easy-steps-300x116.webp","_links":{"self":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts\/16007"}],"collection":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/users\/64"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/comments?post=16007"}],"version-history":[{"count":51,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts\/16007\/revisions"}],"predecessor-version":[{"id":125436,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/posts\/16007\/revisions\/125436"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/media\/71884"}],"wp:attachment":[{"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/media?parent=16007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/categories?post=16007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guvi.in\/blog\/wp-json\/wp\/v2\/tags?post=16007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}