{"id":49090,"date":"2024-07-30T10:10:42","date_gmt":"2024-07-30T10:10:42","guid":{"rendered":"https:\/\/123formbuilder.polarbuildingcleaning.net\/docs\/?p=49090"},"modified":"2024-07-30T14:24:00","modified_gmt":"2024-07-30T14:24:00","slug":"js-tips-how-to-prevent-copy-pasting-in-input-fields","status":"publish","type":"post","link":"https:\/\/123formbuilder.polarbuildingcleaning.net\/docs\/js-tips-how-to-prevent-copy-pasting-in-input-fields\/","title":{"rendered":"JS tips &#8211; How to prevent copy-pasting in input fields"},"content":{"rendered":"\n<p>Imagine a scenario where you&#8217;re collecting specific data through an online form, and you want to ensure that users manually enter their responses instead of copy-pasting them. This is crucial for maintaining data integrity and security, especially in online exams, secure registration, or critical applications. With 123FormBuilder, you can prevent form respondents from copy-pasting their answers by using a custom script.<\/p>\n\n\n\n<p>Let&#8217;s take email confirmation as an example. We want our respondents to confirm their email in a second field without copying the data from the first one.<\/p>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"740\" style=\"aspect-ratio: 870 \/ 740;\" width=\"870\" autoplay controls loop src=\"https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/2024-07-30_37.mp4\"><\/video><\/figure>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>This script will prevent users from copy-pasting details to our Email fields. You can use this script for any type of input field.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>document.addEventListener('DOMContentLoaded', () =&gt; {\n  setTimeout(() =&gt; {\n    &#091;'000000000', '111111111'].forEach(id =&gt; {\n      const field = document.querySelector(`&#091;data-role=control]&#091;data-id=\"${id}\"] input&#091;data-role=i123-input]`);\n      if (!field) return;\n\n      field.oncopy = () =&gt; false;\n      field.oncut = () =&gt; false;\n      field.onpaste = () =&gt; false;\n    });\n  }, 2000);\n});<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p>All you need to do is make sure to replace<em> 000000000 <\/em>and <em>111111111<\/em> with the IDs of your form fields. The field IDs can be retrieved from the <b>Field details<\/b> section on the right-side panel.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"558\" src=\"https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv-1024x558.png\" alt=\"Field ID\" class=\"wp-image-49091\" srcset=\"https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv-1024x558.png 1024w, https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv-300x163.png 300w, https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv-768x418.png 768w, https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv-1536x837.png 1536w, https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv.png 1680w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Once you&#8217;ve finished creating your script, you must upload it to a trusted server and provide the URL containing the script file in <b>Advanced\u00a0\u2192 Form \u2192 Add a JS script to your form<\/b>. Learn more on how to add JS to your form <a href=\"https:\/\/123formbuilder.polarbuildingcleaning.net\/docs\/can-i-add-a-custom-js-script-to-my-form\/\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Imagine a scenario where you&#8217;re collecting specific data through an online form, and you want to ensure that users manually enter their responses instead of copy-pasting them. This is crucial for maintaining data integrity and security, especially in online exams, secure registration, or critical applications. With 123FormBuilder, you can prevent form respondents from copy-pasting their [&hellip;]<\/p>\n","protected":false},"author":73,"featured_media":-1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[93],"tags":[249,156,973,155],"class_list":["post-49090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advanced","tag-custom-js-to-forms","tag-js","tag-js-tips","tag-script"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>JS tips - How to prevent copy-pasting in input fields - 123FormBuilder Knowledge Base<\/title>\n<meta name=\"description\" content=\"Learn how to prevent copy-pasting in input fields with a custom script. Enhance data integrity and security with 123FormBuilder.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/123formbuilder.polarbuildingcleaning.net\/docs\/js-tips-how-to-prevent-copy-pasting-in-input-fields\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JS tips - How to prevent copy-pasting in input fields\" \/>\n<meta property=\"og:description\" content=\"Learn how to prevent copy-pasting in input fields with a custom script. Enhance data integrity and security with 123FormBuilder.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/123formbuilder.polarbuildingcleaning.net\/docs\/js-tips-how-to-prevent-copy-pasting-in-input-fields\/\" \/>\n<meta property=\"og:site_name\" content=\"123FormBuilder Knowledge Base\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-30T10:10:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-30T14:24:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.marketing123.123formbuilder.com\/wp-content\/uploads\/sites\/3\/2024\/07\/jgxImuhZyv-1024x558.png\" \/>\n<meta name=\"author\" content=\"Florin Cornianu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Florin Cornianu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"JS tips - How to prevent copy-pasting in input fields - 123FormBuilder Knowledge Base","description":"Learn how to prevent copy-pasting in input fields with a custom script. Enhance data integrity and security with 123FormBuilder.","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":"https:\/\/123formbuilder.polarbuildingcleaning.net\/docs\/js-tips-how-to-prevent-copy-pasting-in-input-fields\/","og_locale":"en_US","og_type":"article","og_title":"JS tips - How to prevent copy-pasting in input fields","og_description":"Learn how to prevent copy-pasting in input fields with a custom script. 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