{"id":121,"date":"2025-11-28T12:08:52","date_gmt":"2025-11-28T12:08:52","guid":{"rendered":"https:\/\/hyc.eshachem.com\/program\/?p=121"},"modified":"2025-11-30T15:45:48","modified_gmt":"2025-11-30T15:45:48","slug":"%e7%94%a8react%e8%88%87scss%e5%af%a6%e7%8f%be%e6%89%93%e5%ad%97%e6%a9%9f%e6%95%88%e6%9e%9c","status":"publish","type":"post","link":"https:\/\/hyc.eshachem.com\/program\/%e7%94%a8react%e8%88%87scss%e5%af%a6%e7%8f%be%e6%89%93%e5%ad%97%e6%a9%9f%e6%95%88%e6%9e%9c\/","title":{"rendered":"\u7528react\u8207scss\u5be6\u73fe\u6253\u5b57\u6a5f\u6548\u679c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u81ea\u5df1\u5728\u7df4\u7fd2\u7684\u6642\u5019\uff0c\u7a81\u7136\u89ba\u5f97\u5f88\u50cf\u7528react\u89e3\u984c\uff0c\u65bc\u662f\u6c7a\u5b9a\u7167\u6163\u4f8b\u4f86\u5beb\u500b\u89e3\u984c\u5831\u544a!!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%e9%a1%8c%e7%9b%ae\">\u984c\u76ee<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5be6\u73fe <strong>\u6253\u5b57 \u2192 \u505c\u7559 \u2192 \u522a\u5b57 \u2192 \u63db\u4e0b\u4e00\u53e5 \u2192 \u91cd\u8907\u5faa\u74b0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8a31\u591a\u7db2\u7ad9\u9996\u9801\uff08Hero Section\uff09\u4e2d\uff0c\u5e38\u6703\u51fa\u73fe\u300c\u6253\u5b57\u6a5f\u6587\u5b57\u6548\u679c\u300d\uff08Typewriter Effect\uff09\uff0c\u900f\u904e\u9010\u5b57\u5448\u73fe\u7684\u65b9\u5f0f\u5438\u5f15\u7528\u6236\u6ce8\u610f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8acb\u4f60\u4f7f\u7528 <strong>React<\/strong> \u8207 <strong>SCSS<\/strong> \u5be6\u4f5c\u4e00\u500b\u6253\u5b57\u6a5f\u6548\u679c\u5143\u4ef6\uff0c\u4f7f\u5176\u53ef\u4ee5\u4f9d\u5e8f\u986f\u793a\u591a\u6bb5\u6587\u5b57\uff0c\u4e26\u65bc\u6bcf\u6bb5\u6587\u5b57\u8f38\u51fa\u5b8c\u6210\u5f8c\u77ed\u66ab\u505c\u9813\uff0c\u518d\u81ea\u52d5\u5207\u63db\u5230\u4e0b\u4e00\u6bb5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u7684\u4efb\u52d9\u662f\u8a2d\u8a08\u4e00\u500b\u5143\u4ef6 <code>&lt;Typewriter \/&gt;<\/code>\uff0c\u4e26\u6eff\u8db3\u4e0b\u5217\u884c\u70ba\u8981\u6c42\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"%e5%8a%9f%e8%83%bd%e8%a6%81%e6%b1%82\"><strong>\u529f\u80fd\u8981\u6c42<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"\"><strong>\u9010\u5b57\u8f38\u51fa\u6587\u5b57<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">\u7d66\u5b9a\u4e00\u6bb5\u5b57\u4e32\uff0c\u9700\u6bcf\u9694\u56fa\u5b9a\u6642\u9593\u986f\u793a\u4e0b\u4e00\u500b\u5b57\u5143\u3002<\/li>\n\n\n\n<li class=\"\">\u986f\u793a\u65b9\u5f0f\u61c9\u985e\u4f3c\u6253\u5b57\u6a5f\u9010\u5b57\u5448\u73fe\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"\"><strong>\u652f\u63f4\u591a\u6bb5\u6587\u5b57\u5faa\u74b0\u64ad\u653e<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">\u8f38\u5165\u4e00\u500b\u5b57\u4e32\u9663\u5217 <code>texts<\/code>\u3002<\/li>\n\n\n\n<li class=\"\">\u6bcf\u6bb5\u6587\u5b57\u986f\u793a\u5b8c\u6210\u5f8c\u9700\uff1a\n<ul class=\"wp-block-list\">\n<li class=\"\">\u4fdd\u7559\u5b8c\u6574\u6587\u5b57\u4e00\u6bb5\u6642\u9593\uff08\u5982\uff1a1 \u79d2\uff09<\/li>\n\n\n\n<li class=\"\">\u518d\u81ea\u52d5\u5207\u63db\u5230\u4e0b\u4e00\u6bb5\u6587\u5b57<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"\">\u64ad\u653e\u5230\u6700\u5f8c\u4e00\u6bb5\u5f8c\u9700\u91cd\u65b0\u56de\u5230\u7b2c\u4e00\u6bb5\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"\"><strong>\u6587\u5b57\u5207\u63db\u6642\u4e0d\u5f97\u9020\u6210 DOM \u9583\u720d\u6216\u5e03\u5c40\u8df3\u52d5<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">\u9801\u9762\u4e0d\u61c9\u56e0\u70ba\u6587\u5b57\u9577\u5ea6\u8b8a\u5316\u800c\u767c\u751f\u9ad8\u5ea6\u8df3\u52d5\uff08layout shift\uff09\u3002<\/li>\n\n\n\n<li class=\"\">\u5207\u63db\u904e\u7a0b\u4e2d\u4e0d\u5f97\u51fa\u73fe\u7a7a\u767d DOM\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"\"><strong>\u4f7f\u7528 React Hooks \u5be6\u4f5c<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">\u5fc5\u9808\u4f7f\u7528 <code>useState<\/code>\u3001<code>useEffect<\/code> \u4f86\u63a7\u5236\u5b57\u5143\u589e\u52a0\u8207\u5207\u63db\u3002<\/li>\n\n\n\n<li class=\"\">\u70ba\u907f\u514d ESLint \u8b66\u544a\uff0c\u5b57\u4e32\u9663\u5217\u9700\u642d\u914d <code>useMemo()<\/code> \u4fdd\u8b49\u4e0d\u5728\u6bcf\u6b21 render \u91cd\u65b0\u5efa\u7acb\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"\"><strong>\u6a23\u5f0f\u9700\u4f7f\u7528 SCSS<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"\">\u5be6\u73fe\u6587\u5b57\u9583\u720d\u6e38\u6a19\uff08blinking cursor\uff09<\/li>\n\n\n\n<li class=\"\">\u6548\u679c\u9700\u4ee5 SCSS \u64b0\u5beb\uff0c\u4f8b\u5982\u52d5\u756b\u3001\u904e\u6e21\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"%e8%bc%b8%e5%85%a5%e6%a0%bc%e5%bc%8f\"><strong>\u8f38\u5165\u683c\u5f0f<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">\u50b3\u5165 <code>&lt;Typewriter \/&gt;<\/code> \u7d44\u4ef6\u7684 props\uff1a<\/li>\n<\/ul>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\"><span class=\"hljs-class\"><span class=\"hljs-keyword\">interface<\/span> <span class=\"hljs-title\">TypewriterProps<\/span> <\/span>{\n  texts: string[];   <span class=\"hljs-comment\">\/\/ \u6b32\u986f\u793a\u4e4b\u591a\u6bb5\u6587\u5b57<\/span>\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\" id=\"%e8%bc%b8%e5%87%ba%e6%a0%bc%e5%bc%8f\"><strong>\u8f38\u51fa\u683c\u5f0f<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">\u5143\u4ef6\u9700\u6e32\u67d3\u4e00\u6bb5\u9010\u5b57\u986f\u793a\u7684\u6587\u5b57\uff0c\u540c\u6642\u5305\u542b\u9583\u720d\u6e38\u6a19\uff1a<\/li>\n<\/ul>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"HTML, XML\" data-shcb-language-slug=\"xml\"><span><code class=\"hljs language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span> <span class=\"hljs-attr\">class<\/span>=<span class=\"hljs-string\">\"typewriter-text\"<\/span>&gt;<\/span>\u76ee\u524d\u986f\u793a\u4e2d\u7684\u6587\u5b57<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span> <span class=\"hljs-attr\">class<\/span>=<span class=\"hljs-string\">\"cursor\"<\/span>&gt;<\/span><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">HTML, XML<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">xml<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%e7%af%84%e4%be%8b\">\u7bc4\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u50b3\u5165\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">texts = [<span class=\"hljs-string\">'Hello'<\/span>, <span class=\"hljs-string\">'Welcome to my website'<\/span>, <span class=\"hljs-string\">'Frontend Developer'<\/span>];<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u986f\u793a\u6d41\u7a0b\u61c9\u5982\u4e0b\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">H \u2192\nHe \u2192\nHel \u2192\nHell \u2192\nHello \u2192\n\uff08\u505c 1 \u79d2\uff09\nW \u2192\nWe \u2192\nWel \u2192\n\u2026\nFrontend Developer \u2192\n\uff08\u505c 1 \u79d2\uff09\n\u2192 \u56de\u5230 Hello \u91cd\u65b0\u958b\u59cb<\/code><\/span><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u6574\u500b\u904e\u7a0b\u9808\u9023\u7e8c\u5e73\u6ed1\u9032\u884c\uff0c\u4e0d\u5f97\u6709\u9583\u720d\u8207\u8df3\u52d5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h2 class=\"wp-block-heading\" id=\"%e8%a7%a3%e9%a1%8c%e7%b5%b2%e8%b7%af\">\u89e3\u984c\u7d72\u8def<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5be6\u8981\u5be6\u73fe\u6253\u5b57\u6a5f\u6548\u679c\uff0c\u6838\u5fc3\u7d72\u8def\u53ea\u6709:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"\">\u52d5\u756b\u6548\u679c<\/li>\n\n\n\n<li class=\"\">\u73fe\u5728\u662f\u6253\u5b57\u9084\u662f\u522a\u5b57<\/li>\n\n\n\n<li class=\"\">\u73fe\u5728\u8981\u986f\u793a\u54ea\u4e00\u53e5\n<ol class=\"wp-block-list\">\n<li class=\"\">\u73fe\u5728\u9019\u53e5\u7684\u7b2c\u5e7e\u500b\u5b57<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u4e00\u500b\u8b8a\u6578subIndex\uff0c\u8ffd\u8e64\u73fe\u5728\u7684\u53e5\u5b50(S)\u7684\u7b2c\u5e7e\u5b57(i)\uff0c\u5982\u679c\u662f\u6253\u5b57\uff0csubIndex++\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a73\u89e3\u63a1\u7528Dynamic Style Injection\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u5011\u53ef\u4ee5\u5148\u6839\u64da\u984c\u76ee\u8aaa\u7684\u5167\u5bb9\u4ee5\u53ca\u60f3\u6cd5\uff0c\u628a\u4e00\u4e9b\u57fa\u790e\u7684\u6771\u897f\u5beb\u51fa\u4f86\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { useState } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">\"react\"<\/span>;\n\n<span class=\"hljs-keyword\">export<\/span> <span class=\"hljs-keyword\">default<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">Index<\/span>(<span class=\"hljs-params\">{texts}: {string[]}<\/span>) <\/span>{\n\t\t<span class=\"hljs-keyword\">const<\/span> [index, setIndex] = useState(<span class=\"hljs-number\">0<\/span>); <span class=\"hljs-comment\">\/\/ \u73fe\u5728\u7b2cindex\u53e5<\/span>\n\t\t<span class=\"hljs-keyword\">const<\/span> [subIndex, setSubIndex] = useState(<span class=\"hljs-number\">0<\/span>); <span class=\"hljs-comment\">\/\/ \u73fe\u5728\u7b2cindex\u53e5\u7684subIndex\u500b\u5b57<\/span>\n\t\t<span class=\"hljs-keyword\">const<\/span> [deleting, setDeleting] = useState(<span class=\"hljs-literal\">true<\/span>); <span class=\"hljs-comment\">\/\/ \u662f\u5426\u662f\u6253\u5b57\u72c0\u614b<\/span>\n\t\t\n    <span class=\"hljs-keyword\">const<\/span> current = texts[index]; <span class=\"hljs-comment\">\/\/ \u53d6\u51fa\u7576\u524d\u5b57<\/span>\n\n\t  <span class=\"hljs-keyword\">return<\/span> (\n\t    <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span>\n\t\t    {\/* \u7528substring()\u65b9\u6cd5\u53d6\u51fa\u5b50\u5b57\u4e32*\/}\n\t      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span>&gt;<\/span>{current.substring(0, subIndex)}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span>\n\t      <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span> <span class=\"hljs-attr\">className<\/span>=<span class=\"hljs-string\">\"cursor\"<\/span>&gt;<\/span>|<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span>\n\t    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>\n\t  );\n}\n<span class=\"hljs-keyword\">const<\/span> style = <span class=\"hljs-built_in\">document<\/span>.createElement(<span class=\"hljs-string\">'style'<\/span>);\nstyle.textContent = <span class=\"hljs-string\">`\n    .cursor {\n        margin-left: 2px;\n        animation: blink 0.8s infinite;\n    }\n\n    @keyframes blink {\n        0%, 50% { opacity: 0; }\n        51%, 100% { opacity: 1; }\n    }\n    \n`<\/span>;\n<span class=\"hljs-built_in\">document<\/span>.head.appendChild(style);\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u790e\u7684\u6771\u897f\u5beb\u5b8c\u4e86\uff0c\u73fe\u5728\u7684\u554f\u984c\u662f: \u5982\u4f55\u5c07\u5b57\u5143\u4e00\u500b\u500b\u7684\u986f\u793a\u51fa\u4f86?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u4f86\u91d0\u6e05\u6253\u5b57\u6a5f\u6548\u679c\u7684\u771f\u6b63\u610f\u7fa9:\u662f\u4e00\u7a2e <strong>\u300c\u6642\u9593\u9a45\u52d5\u7684\u52d5\u756b\uff0c\u96a8\u6642\u9593\u8b8a\u5316\u7684 state\u300d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">React \u53ea\u6709\u5169\u7a2e\u65b9\u5f0f\u80fd\u8b93 state \u96a8\u6642\u9593\u8b8a\u5316\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\"><strong>setTimeout<\/strong><\/li>\n\n\n\n<li class=\"\"><strong>useEffect<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c <strong>useEffect \u662f\u552f\u4e00\u6703\u5728 state \u8b8a\u5316\u6642\u57f7\u884c\u526f\u4f5c\u7528\u7684HOOK\uff0c\u6240\u4ee5\u9019\u984c\u63a1\u7528useEffect !!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u958b\u59cb\u4f86\u5bebuseEffect!!<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">    useEffect(<span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> {\n        <span class=\"hljs-keyword\">if<\/span> (deleting &amp;&amp; subIndex === current.length){ <span class=\"hljs-comment\">\/\/ \u5982\u679c\u6253\u5b57\u6253\u5230\u8ddf\u53e5\u5b50\u4e00\u6a23\u9577<\/span>\n            <span class=\"hljs-keyword\">const<\/span> timeout = setTimeout(<span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> setDeleting(<span class=\"hljs-literal\">false<\/span>), <span class=\"hljs-number\">1200<\/span>);<span class=\"hljs-comment\">\/\/ \u6539\u6210\u522a\u5b57\uff0c\u4e26\u505c\u75591200\u79d2<\/span>\n            <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> clearTimeout(timeout); <span class=\"hljs-comment\">\/\/ \u6e05\u7406\u526f\u4f5c\u7528<\/span>\n        }\n        <span class=\"hljs-keyword\">if<\/span> (!deleting &amp;&amp; subIndex === <span class=\"hljs-number\">0<\/span>) {<span class=\"hljs-comment\">\/\/ \u5982\u679c\u522a\u5b57\u522a\u52300 \u63db\u4e0b\u4e00\u53e5<\/span>\n            setDeleting(<span class=\"hljs-literal\">true<\/span>); <span class=\"hljs-comment\">\/\/ \u958b\u59cb\u6253\u5b57<\/span>\n            setIndex((index + <span class=\"hljs-number\">1<\/span>) % texts.length);\n            <span class=\"hljs-keyword\">return<\/span>;\n        }\n        <span class=\"hljs-comment\">\/\/ \u7528 setTimeout \u8b93\u5b83\u6bcf\u9694 60~120ms \u52d5\u4e00\u6b21<\/span>\n        <span class=\"hljs-keyword\">const<\/span> timeout = setTimeout(\n            <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> setSubIndex(subIndex + (!deleting ? <span class=\"hljs-number\">-1<\/span> : <span class=\"hljs-number\">1<\/span>)),\n            deleting ? <span class=\"hljs-number\">120<\/span> : <span class=\"hljs-number\">60<\/span> <span class=\"hljs-comment\">\/\/ \u6253\u5b57\u6162\u522a\u5b57\u5feb<\/span>\n        );\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> clearTimeout(timeout);<span class=\"hljs-comment\">\/\/ \u6e05\u7406\u526f\u4f5c\u7528<\/span>\n    }, [subIndex, deleting, index, texts, current]);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h1 class=\"wp-block-heading\" id=\"css\">css<\/h1>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> style = <span class=\"hljs-built_in\">document<\/span>.createElement(<span class=\"hljs-string\">'style'<\/span>);\nstyle.textContent = <span class=\"hljs-string\">`\n    .typewriter-line {\n        font-size: 15px;\n        white-space: nowrap;\n        display: inline-flex;\n        align-items: center; \n        height: 1.5em; \n    }\n\n    .cursor {\n        margin-left: 2px;\n        animation: blink 0.8s infinite;\n       \n    }\n\n    @keyframes blink {\n        0%, 50% { opacity: 0; }\n        51%, 100% { opacity: 1; }\n    }\n    \n    \n`<\/span>;\n<span class=\"hljs-built_in\">document<\/span>.head.appendChild(style);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u8a18\u5f97\u5728\u7236\u5c64\u547c\u53eb\u6642\uff0c\u7236\u5c64\u7684css\u8981\u56fa\u5b9a\u9ad8\u5ea6\uff0c\u907f\u514dJS\u518d\u63db\u884c\u7684\u6642\u5019\u51fa\u73fedom\u662fNull\uff0c\u5c0e\u81f4\u8449\u9762\u5176\u4ed6\u5143\u7d20\u88ab\u5f80\u4e0a\u79fb\u3002\u201cheight: 1.5em;\u201c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u81ea\u5df1\u5728\u7df4\u7fd2\u7684\u6642\u5019\uff0c\u7a81\u7136\u89ba\u5f97\u5f88\u50cf\u7528react\u89e3\u984c\uff0c\u65bc\u662f\u6c7a\u5b9a\u7167\u6163\u4f8b\u4f86\u5beb\u500b\u89e3\u984c\u5831\u544a!! \u984c\u76ee \u5be6\u73fe \u6253\u5b57 \u2192 \u505c\u7559 \u2192 \u522a\u5b57 \u2192 \u63db\u4e0b\u4e00\u53e5 \u2192 \u91cd\u8907\u5faa\u74b0 \u5728\u8a31\u591a\u7db2\u7ad9\u9996\u9801\uff08Hero Section\uff09\u4e2d\uff0c\u5e38\u6703\u51fa\u73fe\u300c\u6253\u5b57\u6a5f\u6587\u5b57\u6548\u679c\u300d\uff08Typewriter Effect\uff09\uff0c\u900f\u904e\u9010\u5b57\u5448\u73fe\u7684\u65b9\u5f0f\u5438\u5f15\u7528\u6236\u6ce8\u610f\u3002 \u8acb\u4f60\u4f7f\u7528 React \u8207 SCSS \u5be6\u4f5c\u4e00\u500b\u6253\u5b57\u6a5f\u6548\u679c\u5143\u4ef6\uff0c\u4f7f\u5176\u53ef\u4ee5\u4f9d\u5e8f\u986f\u793a\u591a\u6bb5\u6587\u5b57\uff0c\u4e26\u65bc\u6bcf\u6bb5\u6587\u5b57\u8f38\u51fa\u5b8c\u6210\u5f8c\u77ed\u66ab\u505c\u9813\uff0c\u518d\u81ea\u52d5\u5207\u63db\u5230\u4e0b\u4e00\u6bb5\u3002 \u4f60\u7684\u4efb\u52d9\u662f\u8a2d\u8a08\u4e00\u500b\u5143\u4ef6 &lt;Typewriter \/&gt;\uff0c\u4e26\u6eff\u8db3\u4e0b\u5217\u884c\u70ba\u8981\u6c42\uff1a \u529f\u80fd\u8981\u6c42 \u8f38\u5165\u683c\u5f0f \u8f38\u51fa\u683c\u5f0f \u7bc4\u4f8b \u82e5\u50b3\u5165\uff1a \u986f\u793a\u6d41\u7a0b\u61c9\u5982\u4e0b\uff1a \u6574\u500b\u904e\u7a0b\u9808\u9023\u7e8c\u5e73\u6ed1\u9032\u884c\uff0c\u4e0d\u5f97\u6709\u9583\u720d\u8207\u8df3\u52d5\u3002 \u89e3\u984c\u7d72\u8def \u5176\u5be6\u8981\u5be6\u73fe\u6253\u5b57\u6a5f\u6548\u679c\uff0c\u6838\u5fc3\u7d72\u8def\u53ea\u6709: \u8a2d\u4e00\u500b\u8b8a\u6578subIndex\uff0c\u8ffd\u8e64\u73fe\u5728\u7684\u53e5\u5b50(S)\u7684\u7b2c\u5e7e\u5b57(i)\uff0c\u5982\u679c\u662f\u6253\u5b57\uff0csubIndex++\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002 \u8a73\u89e3\u63a1\u7528Dynamic Style Injection\u3002 \u6211\u5011\u53ef\u4ee5\u5148\u6839\u64da\u984c\u76ee\u8aaa\u7684\u5167\u5bb9\u4ee5\u53ca\u60f3\u6cd5\uff0c\u628a\u4e00\u4e9b\u57fa\u790e\u7684\u6771\u897f\u5beb\u51fa\u4f86\u3002 \u57fa\u790e\u7684\u6771\u897f\u5beb\u5b8c\u4e86\uff0c\u73fe\u5728\u7684\u554f\u984c\u662f: \u5982\u4f55\u5c07\u5b57\u5143\u4e00\u500b\u500b\u7684\u986f\u793a\u51fa\u4f86? \u5148\u4f86\u91d0\u6e05\u6253\u5b57\u6a5f\u6548\u679c\u7684\u771f\u6b63\u610f\u7fa9:\u662f\u4e00\u7a2e \u300c\u6642\u9593\u9a45\u52d5\u7684\u52d5\u756b\uff0c\u96a8\u6642\u9593\u8b8a\u5316\u7684 state\u300d React \u53ea\u6709\u5169\u7a2e\u65b9\u5f0f\u80fd\u8b93 state \u96a8\u6642\u9593\u8b8a\u5316\uff1a \u800c useEffect \u662f\u552f\u4e00\u6703\u5728 state \u8b8a\u5316\u6642\u57f7\u884c\u526f\u4f5c\u7528\u7684HOOK\uff0c\u6240\u4ee5\u9019\u984c\u63a1\u7528useEffect !! \u958b\u59cb\u4f86\u5bebuseEffect!! css \u8a18\u5f97\u5728\u7236\u5c64\u547c\u53eb\u6642\uff0c\u7236\u5c64\u7684css\u8981\u56fa\u5b9a\u9ad8\u5ea6\uff0c\u907f\u514dJS\u518d\u63db\u884c\u7684\u6642\u5019\u51fa\u73fedom\u662fNull\uff0c\u5c0e\u81f4\u8449\u9762\u5176\u4ed6\u5143\u7d20\u88ab\u5f80\u4e0a\u79fb\u3002\u201cheight: [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-121","post","type-post","status-publish","format-standard","hentry","category-front-end"],"views":4,"_links":{"self":[{"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/posts\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/comments?post=121"}],"version-history":[{"count":3,"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/posts\/121\/revisions"}],"predecessor-version":[{"id":126,"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/posts\/121\/revisions\/126"}],"wp:attachment":[{"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hyc.eshachem.com\/program\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}