{"id":17595,"date":"2024-03-15T15:19:44","date_gmt":"2024-03-15T15:19:44","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/"},"modified":"2024-03-21T11:16:52","modified_gmt":"2024-03-21T11:16:52","slug":"what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/","title":{"rendered":"What is the method for dynamically getting and setting input values in React?"},"content":{"rendered":"<p>In React, you can use useState to achieve dynamic input value changes.<\/p>\n<p>First, we need to import useState.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> <span class=\"hljs-title class_\">React<\/span>, { useState } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react'<\/span>;\r\n<\/code><\/pre>\n<p>Next, define a state variable and corresponding update function within the component.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">const<\/span> [inputValue, setInputValue] = <span class=\"hljs-title function_\">useState<\/span>(<span class=\"hljs-string\">''<\/span>);\r\n<\/code><\/pre>\n<p>Next, bind the value of the input box to a state variable and update the value of the state variable through the update function.<\/p>\n<pre class=\"post-pre\"><code>&lt;input\r\n  type=<span class=\"hljs-string\">\"text\"<\/span>\r\n  value={inputValue}\r\n  onChange={<span class=\"hljs-function\"><span class=\"hljs-params\">e<\/span> =&gt;<\/span> <span class=\"hljs-title function_\">setInputValue<\/span>(e.<span class=\"hljs-property\">target<\/span>.<span class=\"hljs-property\">value<\/span>)}\r\n\/&gt;\r\n<\/code><\/pre>\n<p>By setting value={inputValue}, the value of the state variable can be bound to the input box. When the value of the input box changes, the onChange event will be triggered and the state variable&#8217;s value will be updated through the update function setInputValue.<\/p>\n<p>Finally, you can use inputValue to retrieve the value of the input box and process it accordingly.<\/p>\n<p>The complete sample code is as follows:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> <span class=\"hljs-title class_\">React<\/span>, { useState } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'react'<\/span>;\r\n\r\n<span class=\"hljs-keyword\">const<\/span> <span class=\"hljs-title function_\">App<\/span> = (<span class=\"hljs-params\"><\/span>) =&gt; {\r\n  <span class=\"hljs-keyword\">const<\/span> [inputValue, setInputValue] = <span class=\"hljs-title function_\">useState<\/span>(<span class=\"hljs-string\">''<\/span>);\r\n\r\n  <span class=\"hljs-keyword\">return<\/span> (\r\n    <span class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span>\r\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">input<\/span>\r\n        <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"text\"<\/span>\r\n        <span class=\"hljs-attr\">value<\/span>=<span class=\"hljs-string\">{inputValue}<\/span>\r\n        <span class=\"hljs-attr\">onChange<\/span>=<span class=\"hljs-string\">{e<\/span> =&gt;<\/span> setInputValue(e.target.value)}\r\n      \/&gt;\r\n      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>\u8f93\u5165\u7684\u503c\u662f\uff1a{inputValue}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>\r\n  );\r\n}\r\n\r\n<span class=\"hljs-keyword\">export<\/span> <span class=\"hljs-keyword\">default<\/span> <span class=\"hljs-title class_\">App<\/span>;\r\n<\/code><\/pre>\n<p>In the example above, the value in the input box will be displayed in real time in the <\/p>\n<p> tag below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In React, you can use useState to achieve dynamic input value changes. First, we need to import useState. import React, { useState } from &#8216;react&#8217;; Next, define a state variable and corresponding update function within the component. const [inputValue, setInputValue] = useState(&#8221;); Next, bind the value of the input box to a state variable and [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-17595","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the method for dynamically getting and setting input values in React? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the method for dynamically getting and setting input values in React?\" \/>\n<meta property=\"og:description\" content=\"In React, you can use useState to achieve dynamic input value changes. First, we need to import useState. import React, { useState } from &#039;react&#039;; Next, define a state variable and corresponding update function within the component. const [inputValue, setInputValue] = useState(&#039;&#039;); Next, bind the value of the input box to a state variable and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T15:19:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T11:16:52+00:00\" \/>\n<meta name=\"author\" content=\"Emily Johnson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Emily Johnson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/\"},\"author\":{\"name\":\"Emily Johnson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3b041b19cffc258705478ecfab895378\"},\"headline\":\"What is the method for dynamically getting and setting input values in React?\",\"datePublished\":\"2024-03-15T15:19:44+00:00\",\"dateModified\":\"2024-03-21T11:16:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/\"},\"wordCount\":156,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-dynamically-getting-and-setting-input-values-in-react\/\",\"name\":\"What is the method for dynamically getting and setting input values in React? 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