--- title: How do I compare two objects in JavaScript? | daily.dev description: The equals helper function is used to compare two objects. It can be useful in some situations, but it can have its own pitfalls. The most common of these has... canonical: https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How do I compare two objects in JavaScript? | daily.dev og:description: The equals helper function is used to compare two objects. It can be useful in some situations, but it can have its own pitfalls. The most common of these has... og:url: https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq og:image: https://api.daily.dev/og/posts/ej6jlf-IQ.png og:image:alt: How do I compare two objects in JavaScript? og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How do I compare two objects in JavaScript? **[30 seconds of code](https://daily.dev/sources/30seconds)** · 2 min read · 15 upvotes · 1 comments ## Summary The equals helper function is used to compare two objects. It can be useful in some situations, but it can have its own pitfalls. The most common of these has to do with similar, but not equal, values that result in the same serialized string. This is because arrays and objects in JavaScript are compared by reference. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@dailydevtips** · 2 upvotes > Well written and great examples! --- Tags: [#javascript](https://daily.dev/tags/javascript) [View this post on daily.dev](https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How do I compare two objects in JavaScript?","url":"https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq"},"datePublished":"2021-09-26T18:48:02.005Z","dateModified":"2021-10-07T14:17:10.317Z","description":"The equals helper function is used to compare two objects. It can be useful in some situations, but it can have its own pitfalls. The most common of these has...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a9acb76c5913fb1463108e31c76cf000","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a9acb76c5913fb1463108e31c76cf000","isAccessibleForFree":true,"articleSection":"30 seconds of code","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"30 seconds of code","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/197d6538eea141d7a2fb4177234e9d89","url":"https://daily.dev/sources/30seconds"},"commentCount":1,"discussionUrl":"https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":15},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"keywords":"javascript","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"30 seconds of code","item":"https://daily.dev/sources/30seconds"},{"@type":"ListItem","position":3,"name":"How do I compare two objects in JavaScript?"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/how-do-i-compare-two-objects-in-javascript--ej6jlf-iq","comment":[{"@type":"Comment","text":"Well written and great examples!","datePublished":"2021-09-27T06:02:40.274Z","url":"https://daily.dev/posts/ej6jlf-IQ#c-pqFmLISQt","author":{"@type":"Person","name":"Chris Bongers","url":"https://daily.dev/dailydevtips","image":"https://media.daily.dev/image/upload/s--9gxFz1e7--/f_auto/v1705902590/avatars/avatar_JUNiIGCV-?_a=BAMAMiZW0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}}]} ```