{"id":409,"date":"2024-12-21T14:04:58","date_gmt":"2024-12-21T06:04:58","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=409"},"modified":"2024-12-21T14:04:58","modified_gmt":"2024-12-21T06:04:58","slug":"html5-%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e5%85%ac%e8%ae%a4%e7%9a%84%e4%b8%8b%e4%b8%80%e4%bb%a3web%e8%af%ad%e8%a8%80","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/21\/html5-%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e5%85%ac%e8%ae%a4%e7%9a%84%e4%b8%8b%e4%b8%80%e4%bb%a3web%e8%af%ad%e8%a8%80\/","title":{"rendered":"HTML5 \u4f7f\u7528\u6307\u5357\uff1a\u516c\u8ba4\u7684\u4e0b\u4e00\u4ee3Web\u8bed\u8a00"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">HTML5 \u662f\u6700\u65b0\u7684 HTML \u6807\u51c6\uff0c\u5b83\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7279\u6027\u548c\u6539\u8fdb\uff0c\u65e8\u5728\u63d0\u5347\u7f51\u9875\u6027\u80fd\u3001\u53ef\u8bbf\u95ee\u6027\u548c\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8be6\u7ec6\u7684 <strong>HTML5 \u4f7f\u7528\u6307\u5357<\/strong>\uff0c\u6db5\u76d6\u4e86\u65b0\u7684\u5143\u7d20\u3001\u5c5e\u6027\u3001API \u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>HTML5 \u65b0\u7279\u6027\u6982\u8ff0<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u8bed\u6cd5\u548c\u6587\u6863\u7ed3\u6784<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u91c7\u7528\u4e86\u66f4\u7b80\u6d01\u548c\u6e05\u6670\u7684\u8bed\u6cd5\u3002\u6700\u660e\u663e\u7684\u6539\u53d8\u662f\u5bf9\u6587\u6863\u7ed3\u6784\u548c\u6807\u7b7e\u7684\u6539\u8fdb\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>: \u53d6\u4ee3\u4e86\u8f83\u4e3a\u590d\u6742\u7684 HTML4 \u53ca XHTML \u7684\u6587\u6863\u58f0\u660e\uff0c\u73b0\u5728\u53ea\u9700\u4f7f\u7528 <code>&lt;!DOCTYPE html><\/code> \u6765\u58f0\u660e HTML5 \u6587\u6863\u7c7b\u578b\u3002<\/li>\n\n\n\n<li><strong><code>&lt;html><\/code> \u6807\u7b7e\u7684\u6539\u8fdb<\/strong>: \u4e4b\u524d\u9700\u8981\u5305\u542b <code>xmlns<\/code> \u5c5e\u6027\uff0cHTML5 \u53bb\u9664\u4e86\u8fd9\u4e2a\u8981\u6c42\uff0c\u6587\u6863\u7ed3\u6784\u66f4\u7b80\u6d01\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"en\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"&gt;\n    &lt;title&gt;HTML5 Example&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;h1&gt;Hello, HTML5!&lt;\/h1&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u65b0\u7684 HTML5 \u5143\u7d20<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7ed3\u6784\u5143\u7d20<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u8bed\u4e49\u5316\u5143\u7d20\uff0c\u4f7f\u5f97\u7f51\u9875\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\u6613\u61c2\u3002\u5e38\u7528\u7684\u65b0\u5143\u7d20\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>&lt;header><\/code><\/strong>: \u7528\u4e8e\u9875\u9762\u6216\u90e8\u5206\u7684\u5934\u90e8\uff0c\u901a\u5e38\u5305\u542b logo\u3001\u5bfc\u822a\u3001\u6807\u9898\u7b49\u3002<\/li>\n\n\n\n<li><strong><code>&lt;footer><\/code><\/strong>: \u7528\u4e8e\u5b9a\u4e49\u9875\u9762\u6216\u90e8\u5206\u7684\u5e95\u90e8\u5185\u5bb9\uff0c\u901a\u5e38\u5305\u542b\u7248\u6743\u4fe1\u606f\u3001\u8054\u7cfb\u65b9\u5f0f\u7b49\u3002<\/li>\n\n\n\n<li><strong><code>&lt;article><\/code><\/strong>: \u7528\u4e8e\u8868\u793a\u72ec\u7acb\u7684\u5185\u5bb9\u5355\u5143\uff0c\u5982\u6587\u7ae0\u3001\u65b0\u95fb\u7b49\u3002<\/li>\n\n\n\n<li><strong><code>&lt;section><\/code><\/strong>: \u7528\u4e8e\u8868\u793a\u7f51\u9875\u4e2d\u7684\u4e00\u4e2a\u533a\u57df\u6216\u7ae0\u8282\uff0c\u901a\u5e38\u5305\u542b\u6807\u9898\u548c\u76f8\u5173\u5185\u5bb9\u3002<\/li>\n\n\n\n<li><strong><code>&lt;nav><\/code><\/strong>: \u7528\u4e8e\u5b9a\u4e49\u5bfc\u822a\u94fe\u63a5\u7684\u533a\u57df\uff0c\u5e2e\u52a9\u5c4f\u5e55\u9605\u8bfb\u5668\u7b49\u8f85\u52a9\u5de5\u5177\u8bc6\u522b\u5bfc\u822a\u90e8\u5206\u3002<\/li>\n\n\n\n<li><strong><code>&lt;aside><\/code><\/strong>: \u7528\u4e8e\u8868\u793a\u4e0e\u9875\u9762\u5185\u5bb9\u5173\u7cfb\u8f83\u8fdc\u7684\u90e8\u5206\uff0c\u5982\u4fa7\u8fb9\u680f\u3001\u5e7f\u544a\u7b49\u3002<\/li>\n\n\n\n<li><strong><code>&lt;main><\/code><\/strong>: \u7528\u4e8e\u5b9a\u4e49\u9875\u9762\u7684\u4e3b\u8981\u5185\u5bb9\u533a\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u793a\u4f8b\uff1a\u4f7f\u7528\u65b0\u5143\u7d20\u5e03\u5c40\u9875\u9762<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"en\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"&gt;\n    &lt;title&gt;HTML5 Layout&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;header&gt;\n        &lt;h1&gt;Welcome to My Website&lt;\/h1&gt;\n        &lt;nav&gt;\n            &lt;ul&gt;\n                &lt;li&gt;&lt;a href=\"#home\"&gt;Home&lt;\/a&gt;&lt;\/li&gt;\n                &lt;li&gt;&lt;a href=\"#about\"&gt;About&lt;\/a&gt;&lt;\/li&gt;\n                &lt;li&gt;&lt;a href=\"#contact\"&gt;Contact&lt;\/a&gt;&lt;\/li&gt;\n            &lt;\/ul&gt;\n        &lt;\/nav&gt;\n    &lt;\/header&gt;\n\n    &lt;main&gt;\n        &lt;article&gt;\n            &lt;h2&gt;Article Title&lt;\/h2&gt;\n            &lt;p&gt;This is a sample article.&lt;\/p&gt;\n        &lt;\/article&gt;\n\n        &lt;aside&gt;\n            &lt;h3&gt;Advertisement&lt;\/h3&gt;\n            &lt;p&gt;This is an ad.&lt;\/p&gt;\n        &lt;\/aside&gt;\n    &lt;\/main&gt;\n\n    &lt;footer&gt;\n        &lt;p&gt;&amp;copy; 2024 My Website&lt;\/p&gt;\n    &lt;\/footer&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>HTML5 \u65b0\u5c5e\u6027<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><code>&lt;audio&gt;<\/code> \u548c <code>&lt;video&gt;<\/code><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u5f15\u5165\u4e86\u539f\u751f\u7684 <code>&lt;audio&gt;<\/code> \u548c <code>&lt;video&gt;<\/code> \u6807\u7b7e\uff0c\u4f7f\u5f97\u5d4c\u5165\u97f3\u9891\u548c\u89c6\u9891\u6587\u4ef6\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>&lt;audio><\/code><\/strong>: \u7528\u4e8e\u5d4c\u5165\u97f3\u9891\u6587\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;audio controls&gt;\n    &lt;source src=\"audio.mp3\" type=\"audio\/mp3\"&gt;\n    Your browser does not support the audio element.\n&lt;\/audio&gt;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>&lt;video><\/code><\/strong>: \u7528\u4e8e\u5d4c\u5165\u89c6\u9891\u6587\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;video controls width=\"600\"&gt;\n    &lt;source src=\"video.mp4\" type=\"video\/mp4\"&gt;\n    Your browser does not support the video element.\n&lt;\/video&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><code>&lt;input&gt;<\/code> \u65b0\u7c7b\u578b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u6269\u5c55\u4e86 <code>&lt;input&gt;<\/code> \u5143\u7d20\uff0c\u589e\u52a0\u4e86\u66f4\u591a\u8f93\u5165\u7c7b\u578b\u548c\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>type=\"email\"<\/code><\/strong>: \u7528\u4e8e\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u8f93\u5165\uff0c\u652f\u6301\u6d4f\u89c8\u5668\u9a8c\u8bc1\u3002<\/li>\n\n\n\n<li><strong><code>type=\"date\"<\/code><\/strong>: \u7528\u4e8e\u65e5\u671f\u9009\u62e9\u3002<\/li>\n\n\n\n<li><strong><code>type=\"number\"<\/code><\/strong>: \u7528\u4e8e\u6570\u5b57\u8f93\u5165\u3002<\/li>\n\n\n\n<li><strong><code>type=\"range\"<\/code><\/strong>: \u7528\u4e8e\u9009\u62e9\u8303\u56f4\u503c\uff08\u4f8b\u5982\u6ed1\u5757\uff09\u3002<\/li>\n\n\n\n<li><strong><code>type=\"tel\"<\/code><\/strong>: \u7528\u4e8e\u7535\u8bdd\u53f7\u7801\u8f93\u5165\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form&gt;\n    &lt;label for=\"email\"&gt;Email:&lt;\/label&gt;\n    &lt;input type=\"email\" id=\"email\" name=\"email\"&gt;\n\n    &lt;label for=\"date\"&gt;Date:&lt;\/label&gt;\n    &lt;input type=\"date\" id=\"date\" name=\"date\"&gt;\n\n    &lt;label for=\"range\"&gt;Range:&lt;\/label&gt;\n    &lt;input type=\"range\" id=\"range\" name=\"range\" min=\"0\" max=\"100\"&gt;\n\n    &lt;input type=\"submit\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><code>placeholder<\/code> \u548c <code>required<\/code><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>placeholder<\/code><\/strong>: \u7528\u4e8e\u5728\u8f93\u5165\u6846\u4e2d\u663e\u793a\u63d0\u793a\u6587\u5b57\u3002<\/li>\n\n\n\n<li><strong><code>required<\/code><\/strong>: \u7528\u4e8e\u6307\u5b9a\u8be5\u5b57\u6bb5\u662f\u5fc5\u586b\u9879\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form&gt;\n    &lt;label for=\"username\"&gt;Username:&lt;\/label&gt;\n    &lt;input type=\"text\" id=\"username\" name=\"username\" placeholder=\"Enter your username\" required&gt;\n\n    &lt;input type=\"submit\" value=\"Submit\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>HTML5 \u5b58\u50a8\uff08LocalStorage \u548c SessionStorage\uff09<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u5f15\u5165\u4e86\u4e24\u79cd\u5ba2\u6237\u7aef\u5b58\u50a8\u673a\u5236\uff1a<code>localStorage<\/code> \u548c <code>sessionStorage<\/code>\u3002\u8fd9\u4e24\u8005\u5141\u8bb8\u4f60\u5728\u6d4f\u89c8\u5668\u4e2d\u5b58\u50a8\u6570\u636e\uff0c\u4e0d\u9700\u8981\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>localStorage<\/code><\/strong>: \u5b58\u50a8\u7684\u6570\u636e\u6ca1\u6709\u8fc7\u671f\u65f6\u95f4\uff0c\u76f4\u5230\u624b\u52a8\u5220\u9664\u3002<\/li>\n\n\n\n<li><strong><code>sessionStorage<\/code><\/strong>: \u5b58\u50a8\u7684\u6570\u636e\u4ec5\u5728\u4e00\u4e2a\u4f1a\u8bdd\u4e2d\u6709\u6548\uff0c\u6d4f\u89c8\u5668\u5173\u95ed\u540e\u6570\u636e\u88ab\u5220\u9664\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u4f7f\u7528 <code>localStorage<\/code> \u5b58\u50a8\u548c\u8bfb\u53d6\u6570\u636e<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"en\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"&gt;\n    &lt;title&gt;LocalStorage Example&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;button onclick=\"storeData()\"&gt;Store Data&lt;\/button&gt;\n    &lt;button onclick=\"getData()\"&gt;Get Data&lt;\/button&gt;\n\n    &lt;script&gt;\n        function storeData() {\n            localStorage.setItem('username', 'JohnDoe');\n        }\n\n        function getData() {\n            let username = localStorage.getItem('username');\n            alert('Stored Username: ' + username);\n        }\n    &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>HTML5 \u8868\u5355\u589e\u5f3a\u529f\u80fd<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u8868\u5355\u9a8c\u8bc1<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u63d0\u4f9b\u4e86\u5185\u7f6e\u7684\u8868\u5355\u9a8c\u8bc1\u529f\u80fd\uff0c\u51cf\u5c11\u4e86\u4f7f\u7528 JavaScript \u9a8c\u8bc1\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>required<\/code><\/strong>: \u6807\u8bb0\u5b57\u6bb5\u4e3a\u5fc5\u586b\u3002<\/li>\n\n\n\n<li><strong><code>pattern<\/code><\/strong>: \u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li><strong><code>min<\/code> \u548c <code>max<\/code><\/strong>: \u7528\u4e8e\u8bbe\u7f6e\u8f93\u5165\u503c\u7684\u8303\u56f4\uff08\u9002\u7528\u4e8e <code>number<\/code>, <code>date<\/code>, <code>range<\/code> \u7b49\u7c7b\u578b\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;form&gt;\n    &lt;label for=\"age\"&gt;Age:&lt;\/label&gt;\n    &lt;input type=\"number\" id=\"age\" name=\"age\" min=\"18\" max=\"100\" required&gt;\n\n    &lt;label for=\"email\"&gt;Email:&lt;\/label&gt;\n    &lt;input type=\"email\" id=\"email\" name=\"email\" required&gt;\n\n    &lt;input type=\"submit\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">6. <strong>Canvas \u548c SVG<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u5f15\u5165\u4e86 <strong>Canvas<\/strong> \u548c <strong>SVG<\/strong>\uff08\u53ef\u7f29\u653e\u77e2\u91cf\u56fe\u5f62\uff09\u7528\u4e8e\u56fe\u5f62\u7ed8\u5236\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Canvas \u793a\u4f8b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><code>&lt;canvas&gt;<\/code> \u5143\u7d20\u7528\u4e8e\u52a8\u6001\u7ed8\u5236\u56fe\u5f62\u3001\u56fe\u50cf\u7b49\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;canvas id=\"myCanvas\" width=\"200\" height=\"100\"&gt;&lt;\/canvas&gt;\n\n&lt;script&gt;\n    var canvas = document.getElementById('myCanvas');\n    var ctx = canvas.getContext('2d');\n\n    \/\/ \u7ed8\u5236\u77e9\u5f62\n    ctx.fillStyle = 'green';\n    ctx.fillRect(20, 20, 150, 50);\n&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>SVG \u793a\u4f8b<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><code>&lt;svg&gt;<\/code> \u5143\u7d20\u7528\u4e8e\u5728\u9875\u9762\u4e2d\u5d4c\u5165\u53ef\u7f29\u653e\u77e2\u91cf\u56fe\u5f62\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;svg width=\"100\" height=\"100\"&gt;\n    &lt;circle cx=\"50\" cy=\"50\" r=\"40\" stroke=\"black\" stroke-width=\"3\" fill=\"red\" \/&gt;\n&lt;\/svg&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">7. <strong>HTML5 \u5730\u7406\u5b9a\u4f4d API<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u5730\u7406\u5b9a\u4f4d API \u5141\u8bb8\u7f51\u9875\u83b7\u53d6\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u83b7\u53d6\u7528\u6237\u5730\u7406\u4f4d\u7f6e<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"en\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"&gt;\n    &lt;title&gt;Geolocation Example&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;button onclick=\"getLocation()\"&gt;Get Location&lt;\/button&gt;\n    &lt;p id=\"location\"&gt;&lt;\/p&gt;\n\n    &lt;script&gt;\n        function getLocation() {\n            if (navigator.geolocation) {\n                navigator\n\n.geolocation.getCurrentPosition(showPosition);\n            } else {\n                document.getElementById(\"location\").innerHTML = \"Geolocation is not supported by this browser.\";\n            }\n        }\n\n        function showPosition(position) {\n            var lat = position.coords.latitude;\n            var lon = position.coords.longitude;\n            document.getElementById(\"location\").innerHTML = \"Latitude: \" + lat + \"&lt;br&gt;Longitude: \" + lon;\n        }\n    &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">8. <strong>HTML5 API\uff1aWeb Workers<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Web Workers \u5141\u8bb8\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u8fd0\u884c JavaScript\uff0c\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u63d0\u5347\u7f51\u9875\u6027\u80fd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a\u7b80\u5355\u7684 Web Worker<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"en\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"&gt;\n    &lt;title&gt;Web Worker Example&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;button onclick=\"startWorker()\"&gt;Start Worker&lt;\/button&gt;\n    &lt;p id=\"result\"&gt;&lt;\/p&gt;\n\n    &lt;script&gt;\n        var worker;\n\n        function startWorker() {\n            if (typeof(Worker) !== \"undefined\") {\n                if (typeof(worker) == \"undefined\") {\n                    worker = new Worker(\"worker.js\");\n                }\n                worker.onmessage = function(event) {\n                    document.getElementById(\"result\").innerHTML = event.data;\n                };\n                worker.postMessage(\"Hello, Worker!\");\n            } else {\n                document.getElementById(\"result\").innerHTML = \"Your browser does not support Web Workers.\";\n            }\n        }\n    &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>worker.js<\/code> \u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>onmessage = function(e) {\n    postMessage(\"Worker received: \" + e.data);\n};<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTML5 \u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7279\u6027\uff0c\u6781\u5927\u5730\u589e\u5f3a\u4e86\u7f51\u9875\u7684\u529f\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u638c\u63e1\u8fd9\u4e9b\u65b0\u7279\u6027\u5c06\u6709\u52a9\u4e8e\u5f00\u53d1\u73b0\u4ee3\u5316\u7684\u7f51\u9875\u5e94\u7528\u3002\u91cd\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7ed3\u6784\u5316\u8bed\u4e49\u5143\u7d20<\/strong>\uff08\u5982 <code>&lt;header><\/code>, <code>&lt;footer><\/code>, <code>&lt;article><\/code>, <code>&lt;section><\/code> \u7b49\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5a92\u4f53\u5143\u7d20<\/strong>\uff1a\u5982 <code>&lt;audio><\/code> \u548c <code>&lt;video><\/code>\u3002<\/li>\n\n\n\n<li><strong>\u5ba2\u6237\u7aef\u5b58\u50a8<\/strong>\uff1a<code>localStorage<\/code> \u548c <code>sessionStorage<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u8868\u5355\u5143\u7d20\u548c\u9a8c\u8bc1<\/strong>\uff1a\u5982\u65b0\u7c7b\u578b\u7684 <code>&lt;input><\/code>\uff0c\u4ee5\u53ca\u5185\u5efa\u7684\u8868\u5355\u9a8c\u8bc1\u529f\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u56fe\u5f62\u7ed8\u5236<\/strong>\uff1a\u901a\u8fc7 <code>&lt;canvas><\/code> \u548c <code>&lt;svg><\/code> \u521b\u5efa\u52a8\u6001\u548c\u77e2\u91cf\u56fe\u5f62\u3002<\/li>\n\n\n\n<li><strong>HTML5 API<\/strong>\uff1a\u5982\u5730\u7406\u5b9a\u4f4d\u3001Web Workers \u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u65b0\u7279\u6027\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u66f4\u52a0\u5f3a\u5927\u548c\u7075\u6d3b\u7684 Web \u5e94\u7528\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTML5 \u662f\u6700\u65b0\u7684 HTML \u6807\u51c6\uff0c\u5b83\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7279\u6027\u548c\u6539\u8fdb\uff0c\u65e8\u5728\u63d0\u5347\u7f51\u9875\u6027\u80fd\u3001\u53ef\u8bbf\u95ee\u6027\u548c\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u3002\u4ee5\u4e0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-409","post","type-post","status-publish","format-standard","hentry","category-html"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=409"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/409\/revisions"}],"predecessor-version":[{"id":410,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/409\/revisions\/410"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}