Here is the code that you can use to remove all duplicates from an array in JavaScript.<\/p>\n\n\n\n
const numbers = [1 , 21, 21, 34 ,12 ,34 ,12];\nconst removeRepeatNumbers = array => [... new Set(array)]\nremoveRepeatNumbers(numbers) \/\/ [ 1, 21, 34, 12 ]\n\nconst removeDuplicates = arr => [...new Set(arr)];\n\n\/\/ Remove Duplicates ES6\nconst uniqueArray = oldArray.filter((item, index, self) => self.indexOf(item) === index);\n\nlet myArray = ['a', 'b', 'a', 'b', 'c', 'e', 'e', 'c', 'd', 'd', 'd', 'd']\nlet myOrderedArray = myArray.reduce(function (accumulator, currentValue) {\n if (accumulator.indexOf(currentValue) === -1) {\n accumulator.push(currentValue)\n }\n return accumulator\n}, [])\nconsole.log(myOrderedArray); \/\/ [ 'a', 'b', 'c', 'd', 'e' ]<\/code><\/pre>\n","protected":false},"comment_status":"open","ping_status":"closed","template":"","meta":[],"categories":[953,23,25,27,15,16,18],"tags":[328,424,433,449,544,591,635,638],"yoast_head":"\nRemove all Duplicates From an Array in JavaScript [Snippet]<\/title>\n<meta name=\"description\" content=\"Here is the example code snippet that you can use to remove all duplicates from an array in JavaScript for your next web project\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Remove all Duplicates From an Array in JavaScript [Snippet]\" \/>\n<meta property=\"og:description\" content=\"Here is the example code snippet that you can use to remove all duplicates from an array in JavaScript for your next web project\" \/>\n<meta property=\"og:url\" content=\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/\" \/>\n<meta property=\"og:site_name\" content=\"Brightwhiz.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/brightwhiz\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-02T19:41:45+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@brightwhizmag\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/\",\"url\":\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/\",\"name\":\"Remove all Duplicates From an Array in JavaScript [Snippet]\",\"isPartOf\":{\"@id\":\"http:\/\/local.brightwhiz\/#website\"},\"datePublished\":\"2023-01-02T19:41:42+00:00\",\"dateModified\":\"2023-01-02T19:41:45+00:00\",\"description\":\"Here is the example code snippet that you can use to remove all duplicates from an array in JavaScript for your next web project\",\"breadcrumb\":{\"@id\":\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\/\/local.brightwhiz\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Snippets\",\"item\":\"http:\/\/local.brightwhiz\/snippets\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Remove all Duplicates From an Array in JavaScript\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/local.brightwhiz\/#website\",\"url\":\"http:\/\/local.brightwhiz\/\",\"name\":\"Brightwhiz.com\",\"description\":\"Best Tech guides, Tutorials, and News\",\"publisher\":{\"@id\":\"http:\/\/local.brightwhiz\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/local.brightwhiz\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"http:\/\/local.brightwhiz\/#organization\",\"name\":\"Brightwhiz\",\"url\":\"http:\/\/local.brightwhiz\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/local.brightwhiz\/#\/schema\/logo\/image\/\",\"url\":\"http:\/\/local.brightwhiz\/wp-content\/uploads\/2021\/11\/brightwhiz-com-logo-orange.png\",\"contentUrl\":\"http:\/\/local.brightwhiz\/wp-content\/uploads\/2021\/11\/brightwhiz-com-logo-orange.png\",\"width\":706,\"height\":135,\"caption\":\"Brightwhiz\"},\"image\":{\"@id\":\"http:\/\/local.brightwhiz\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/brightwhiz\/\",\"https:\/\/x.com\/brightwhizmag\",\"https:\/\/instagram.com\/bright_whiz\/\",\"https:\/\/www.pinterest.com\/sobbayi\/\",\"https:\/\/www.youtube.com\/channel\/UC6sCdP_d_RiTIM7ErFT-PSQ\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Remove all Duplicates From an Array in JavaScript [Snippet]","description":"Here is the example code snippet that you can use to remove all duplicates from an array in JavaScript for your next web project","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/","og_locale":"en_US","og_type":"article","og_title":"Remove all Duplicates From an Array in JavaScript [Snippet]","og_description":"Here is the example code snippet that you can use to remove all duplicates from an array in JavaScript for your next web project","og_url":"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/","og_site_name":"Brightwhiz.com","article_publisher":"https:\/\/www.facebook.com\/brightwhiz\/","article_modified_time":"2023-01-02T19:41:45+00:00","twitter_card":"summary_large_image","twitter_site":"@brightwhizmag","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/","url":"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/","name":"Remove all Duplicates From an Array in JavaScript [Snippet]","isPartOf":{"@id":"http:\/\/local.brightwhiz\/#website"},"datePublished":"2023-01-02T19:41:42+00:00","dateModified":"2023-01-02T19:41:45+00:00","description":"Here is the example code snippet that you can use to remove all duplicates from an array in JavaScript for your next web project","breadcrumb":{"@id":"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/local.brightwhiz\/snippets\/remove-all-duplicates-from-an-array-in-javascript\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"http:\/\/local.brightwhiz\/"},{"@type":"ListItem","position":2,"name":"Snippets","item":"http:\/\/local.brightwhiz\/snippets\/"},{"@type":"ListItem","position":3,"name":"Remove all Duplicates From an Array in JavaScript"}]},{"@type":"WebSite","@id":"http:\/\/local.brightwhiz\/#website","url":"http:\/\/local.brightwhiz\/","name":"Brightwhiz.com","description":"Best Tech guides, Tutorials, and News","publisher":{"@id":"http:\/\/local.brightwhiz\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/local.brightwhiz\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"http:\/\/local.brightwhiz\/#organization","name":"Brightwhiz","url":"http:\/\/local.brightwhiz\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"http:\/\/local.brightwhiz\/#\/schema\/logo\/image\/","url":"http:\/\/local.brightwhiz\/wp-content\/uploads\/2021\/11\/brightwhiz-com-logo-orange.png","contentUrl":"http:\/\/local.brightwhiz\/wp-content\/uploads\/2021\/11\/brightwhiz-com-logo-orange.png","width":706,"height":135,"caption":"Brightwhiz"},"image":{"@id":"http:\/\/local.brightwhiz\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/brightwhiz\/","https:\/\/x.com\/brightwhizmag","https:\/\/instagram.com\/bright_whiz\/","https:\/\/www.pinterest.com\/sobbayi\/","https:\/\/www.youtube.com\/channel\/UC6sCdP_d_RiTIM7ErFT-PSQ"]}]}},"_links":{"self":[{"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/snippets\/12842"}],"collection":[{"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/snippets"}],"about":[{"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/types\/snippets"}],"replies":[{"embeddable":true,"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/comments?post=12842"}],"wp:attachment":[{"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/media?parent=12842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/categories?post=12842"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/local.brightwhiz\/wp-json\/wp\/v2\/tags?post=12842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}