--- title: How to Extract an Error Object from a Blob API Response... description: Learn how to retain a JSON object for error handling while downloading a file from a server using Axios in JavaScript. canonical: https://daily.dev/posts/how-to-extract-an-error-object-from-a-blob-api-response-in-javascript-pittqpvzt twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How to Extract an Error Object from a Blob API Response in JavaScript | daily.dev og:description: Learn how to retain a JSON object for error handling while downloading a file from a server using Axios in JavaScript. og:url: https://daily.dev/posts/how-to-extract-an-error-object-from-a-blob-api-response-in-javascript-pittqpvzt og:image: https://api.daily.dev/og/posts/PiTTqPvZt.png og:image:alt: How to Extract an Error Object from a Blob API Response 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 to Extract an Error Object from a Blob API Response in JavaScript **[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 2 min read · 14 upvotes · 0 comments ## Summary Learn how to retain a JSON object for error handling while downloading a file from a server using Axios in JavaScript. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#javascript](https://daily.dev/tags/javascript), [#axios](https://daily.dev/tags/axios) [View this post on daily.dev](https://daily.dev/posts/how-to-extract-an-error-object-from-a-blob-api-response-in-javascript-pittqpvzt) ```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 to Extract an Error Object from a Blob API Response in JavaScript","url":"https://daily.dev/posts/how-to-extract-an-error-object-from-a-blob-api-response-in-javascript-pittqpvzt","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-to-extract-an-error-object-from-a-blob-api-response-in-javascript-pittqpvzt"},"datePublished":"2024-03-29T04:00:06.417Z","dateModified":"2024-05-09T09:06:08.895Z","description":"Learn how to retain a JSON object for error handling while downloading a file from a server using Axios in JavaScript.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c43c152c06b1944778cb8d749c1e088b?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c43c152c06b1944778cb8d749c1e088b?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"freeCodeCamp","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":"freeCodeCamp","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1628412854/logos/freecodecamp","url":"https://daily.dev/sources/freecodecamp"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/how-to-extract-an-error-object-from-a-blob-api-response-in-javascript-pittqpvzt","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":14},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"javascript,axios","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"freeCodeCamp","item":"https://daily.dev/sources/freecodecamp"},{"@type":"ListItem","position":3,"name":"How to Extract an Error Object from a Blob API Response in JavaScript"}]} ```