{"id":6235,"date":"2022-11-30T04:58:56","date_gmt":"2022-11-30T04:58:56","guid":{"rendered":"https:\/\/studysection.com\/blog\/?p=6235"},"modified":"2022-11-30T06:02:37","modified_gmt":"2022-11-30T06:02:37","slug":"handling-the-white-space-issues-for-textarea-which-is-a-required-field","status":"publish","type":"post","link":"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/","title":{"rendered":"Handling the whitespace issues for textarea, which is a required field"},"content":{"rendered":"<p>For any input types that are required fields, we generally face whitespace issues. In Whitespace issues, required fields allow users to type space or tab, which means non-printable characters. Generally, we want to prohibit web forms to submit blank and non-printable characters for required fields.<\/p>\n<p>To avoid submission of non-printable characters on a form for required fields, we use a pattern attribute along with the required attribute for inputs, as shown below:<br \/>\n<code>&lt;input type=\"text\" class=\"form-control\" placeholder=\"First Name\" name=\"fname\" id=\"fname\" maxlength=\"64\" pattern=\".*\\S+.*\" required\/&gt;<\/code><\/p>\n<p>The above pattern attribute validates the field to type only printable characters.<br \/>\nFor inputs, the pattern attribute works perfectly. I tried the same approach for textarea as well, as shown below.<br \/>\n<code>&lt;textarea class=\"form-control\" placeholder=\"Note\" name=\"note\" id=\"note\" maxlength=\"100\" pattern=\".*\\S+.*\" required\/&gt;<\/code><\/p>\n<p>But, textarea continues to allow non-printable characters to submit irrespective of the required field, as textarea doesn\u2019t support the pattern attribute.<br \/>\nNow, what is the solution to handle the whitespace-characters-issue for textarea? With the help of a <a href=\"https:\/\/studysection.com\/blog\/javascript-coding-standards\/\">javascript<\/a>\/jquery script, we can resolve our issue. Let\u2019s see:<br \/>\n<code>function checkTextareaValidity(textareaObj) {<br \/>\nvar re = \/^.*\\S+.*$\/;<br \/>\nif((re).test(textareaObj.val())) {<br \/>\ntextareaObj[0].setCustomValidity(\"\");<br \/>\nreturn true;<br \/>\n}<br \/>\nelse {<br \/>\ntextareaObj[0].setCustomValidity(\"invalid\");<br \/>\nreturn false;<br \/>\n}<br \/>\n}<br \/>\n$(document).on('submit', '#add_info_form', function(e) {<br \/>\nvar form = $(\"#add_info_form'\");<br \/>\nvar textareaObj = $('#add_info_form' textarea[required]');<br \/>\nif (form[0].checkValidity() === false) {<br \/>\ne.preventDefault();<br \/>\ne.stopPropagation();<br \/>\nalert(\"Please fill required fields\");<br \/>\n} else {<br \/>\ne.preventDefault();<br \/>\nif(checkTextareaValidity(textareaObj) === false) {<br \/>\nreturn false;<br \/>\n}<br \/>\n\/\/further code if textarea is successfully validated<br \/>\n});<\/code><\/p>\n<p>First, you will see the <strong><em>checkTextareaValidity<\/em><\/strong> function to check whether a textarea has at least one printable character or not.<\/p>\n<p>In the form to submit an event, first, all html5 validation will be performed. If the form submit passes the validation, then we will perform textarea validation and accordingly proceed further.<\/p>\n<p><small><em>If you have skills in PHP programming and you want to enhance your career in this field, a PHP certification from StudySection can help you reach your desired goals. Both beginner level and expert level <a href=\"https:\/\/www.studysection.com\/php-programming-advanced\">PHP Certification Exams<\/a> are offered by StudySection along with other programming certification exams. <\/em><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For any input types that are required fields, we generally face whitespace issues. In Whitespace issues, required fields allow users<\/p>\n","protected":false},"author":1,"featured_media":6236,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[821,697],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Handling the whitespace issues for textarea - SS Blog<\/title>\n<meta name=\"description\" content=\"For any input types that are required fields, we are facing whitespace issues. In this issue, required fields allow users to type spaces.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Handling the whitespace issues for textarea - SS Blog\" \/>\n<meta property=\"og:description\" content=\"For any input types that are required fields, we are facing whitespace issues. In this issue, required fields allow users to type spaces.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog Posts on famous people, innovations and educational topics\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/studysection\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-30T04:58:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-30T06:02:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/studysection.com\/blog\/wp-content\/uploads\/2022\/11\/required-field.png\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin-studysection-blog\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@studysection\" \/>\n<meta name=\"twitter:site\" content=\"@studysection\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin-studysection-blog\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/\"},\"author\":{\"name\":\"admin-studysection-blog\",\"@id\":\"https:\/\/studysection.com\/blog\/#\/schema\/person\/db367e2c29a12d1808fb1979edb3d402\"},\"headline\":\"Handling the whitespace issues for textarea, which is a required field\",\"datePublished\":\"2022-11-30T04:58:56+00:00\",\"dateModified\":\"2022-11-30T06:02:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/\"},\"wordCount\":262,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/studysection.com\/blog\/#organization\"},\"keywords\":[\"required\",\"Textarea\"],\"articleSection\":[\"Learn and Grow\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/\",\"url\":\"https:\/\/studysection.com\/blog\/handling-the-white-space-issues-for-textarea-which-is-a-required-field\/\",\"name\":\"Handling the whitespace issues for textarea - SS Blog\",\"isPartOf\":{\"@id\":\"https:\/\/studysection.com\/blog\/#website\"},\"datePublished\":\"2022-11-30T04:58:56+00:00\",\"dateModified\":\"2022-11-30T06:02:37+00:00\",\"description\":\"For any input types that are required fields, we are facing whitespace issues. 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