{"id":1937,"date":"2025-02-22T14:16:53","date_gmt":"2025-02-22T06:16:53","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1937"},"modified":"2025-02-22T14:16:53","modified_gmt":"2025-02-22T06:16:53","slug":"html-%e4%b8%8e-javascript-%e7%9a%84%e7%bb%93%e5%90%88","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/22\/html-%e4%b8%8e-javascript-%e7%9a%84%e7%bb%93%e5%90%88\/","title":{"rendered":"HTML \u4e0e JavaScript \u7684\u7ed3\u5408"},"content":{"rendered":"\n

HTML \u548c JavaScript \u662f\u6784\u5efa Web \u5e94\u7528\u7684\u4e24\u5927\u6838\u5fc3\u6280\u672f\u3002HTML \u7528\u4e8e\u6784\u5efa\u9875\u9762\u7684\u7ed3\u6784\uff0c\u800c JavaScript \u7528\u4e8e\u589e\u52a0\u9875\u9762\u7684\u52a8\u6001\u529f\u80fd\u3002HTML \u4e0e JavaScript \u7684\u7ed3\u5408\u4f7f\u5f97 Web \u9875\u9762\u80fd\u591f\u54cd\u5e94\u7528\u6237\u7684\u4ea4\u4e92\uff0c\u5904\u7406\u590d\u6742\u7684\u903b\u8f91\uff0c\u66f4\u65b0\u9875\u9762\u5185\u5bb9\u7b49\u3002<\/p>\n\n\n\n

\u4ee5\u4e0b\u662f HTML \u4e0e JavaScript \u7ed3\u5408\u7684\u51e0\u4e2a\u91cd\u8981\u6982\u5ff5\u548c\u793a\u4f8b\uff1a<\/p>\n\n\n\n

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1. \u5728 HTML \u4e2d\u5d4c\u5165 JavaScript<\/strong><\/h3>\n\n\n\n

1.1. <script><\/code> \u6807\u7b7e<\/strong><\/h4>\n\n\n\n

\u5728 HTML \u6587\u4ef6\u4e2d\uff0cJavaScript \u4ee3\u7801\u901a\u5e38\u901a\u8fc7 <script><\/code> \u6807\u7b7e\u5d4c\u5165\u3002<script><\/code> \u6807\u7b7e\u53ef\u4ee5\u653e\u5728 HTML \u6587\u6863\u7684 <head><\/code> \u90e8\u5206\uff0c\u4e5f\u53ef\u4ee5\u653e\u5728 <body><\/code> \u90e8\u5206\uff0c\u751a\u81f3\u53ef\u4ee5\u5c06\u5916\u90e8 JavaScript \u6587\u4ef6\u5f15\u5165\u9875\u9762\u3002<\/p>\n\n\n\n

1.1.1. \u5185\u5d4c JavaScript<\/strong><\/h5>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>HTML \u4e0e JavaScript \u793a\u4f8b<\/title>\n<\/head>\n<body>\n  <h1>\u6b22\u8fce\u6765\u5230\u6211\u7684\u7f51\u7ad9<\/h1>\n\n  <button onclick=\"changeText()\">\u70b9\u51fb\u6211<\/button>\n\n  <script>\n    function changeText() {\n      document.querySelector('h1').textContent = '\u4f60\u70b9\u51fb\u4e86\u6309\u94ae\uff01';\n    }\n  <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u6309\u94ae\u65f6\uff0cJavaScript \u51fd\u6570 changeText()<\/code> \u4f1a\u66f4\u6539\u9875\u9762\u4e2d <h1><\/code> \u6807\u7b7e\u7684\u6587\u672c\u5185\u5bb9\u3002<\/p>\n\n\n\n
1.1.2. \u5916\u90e8 JavaScript \u6587\u4ef6<\/strong><\/h5>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>HTML \u4e0e JavaScript \u793a\u4f8b<\/title>\n<\/head>\n<body>\n  <h1>\u6b22\u8fce\u6765\u5230\u6211\u7684\u7f51\u7ad9<\/h1>\n\n  <button onclick=\"changeText()\">\u70b9\u51fb\u6211<\/button>\n\n  <script src=\"script.js\"><\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
script.js<\/strong> \u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n\n\n\n
function changeText() {\n  document.querySelector('h1').textContent = '\u4f60\u70b9\u51fb\u4e86\u6309\u94ae\uff01';\n}<\/code><\/pre>\n\n\n\n
\u901a\u8fc7 src<\/code> \u5c5e\u6027\uff0c\u5916\u90e8 JavaScript \u6587\u4ef6\u88ab\u5f15\u5165\u5230 HTML \u9875\u9762\u4e2d\uff0c\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u65b9\u5f0f\u3002<\/p>\n\n\n\n
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2. JavaScript \u64cd\u4f5c DOM<\/strong><\/h3>\n\n\n\n
DOM\uff08\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff09\u662f HTML \u548c XML \u6587\u6863\u7684\u7f16\u7a0b\u63a5\u53e3\u3002JavaScript \u53ef\u4ee5\u901a\u8fc7 DOM \u6765\u8bbf\u95ee\u548c\u64cd\u4f5c HTML \u5143\u7d20\uff0c\u5b9e\u73b0\u52a8\u6001\u66f4\u65b0\u5185\u5bb9\u3001\u54cd\u5e94\u7528\u6237\u4ea4\u4e92\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n
2.1. \u9009\u62e9\u548c\u4fee\u6539 DOM \u5143\u7d20<\/strong><\/h4>\n\n\n\n
JavaScript \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u9009\u62e9 DOM \u5143\u7d20\uff0c\u4f8b\u5982 document.getElementById()<\/code>, document.querySelector()<\/code>, document.querySelectorAll()<\/code> \u7b49\u3002<\/p>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>DOM \u64cd\u4f5c<\/title>\n<\/head>\n<body>\n  <h1 id=\"heading\">\u539f\u59cb\u6807\u9898<\/h1>\n  <button id=\"changeBtn\">\u6539\u53d8\u6807\u9898<\/button>\n\n  <script>\n    const button = document.getElementById('changeBtn');\n    const heading = document.getElementById('heading');\n\n    button.addEventListener('click', function() {\n      heading.textContent = '\u6807\u9898\u5df2\u66f4\u6539\uff01';\n    });\n  <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u6309\u94ae\u65f6\uff0cJavaScript \u901a\u8fc7 getElementById<\/code> \u83b7\u53d6 <h1><\/code> \u5143\u7d20\uff0c\u5e76\u901a\u8fc7 textContent<\/code> \u4fee\u6539\u6807\u9898\u5185\u5bb9\u3002<\/p>\n\n\n\n
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3. JavaScript \u4e8b\u4ef6\u5904\u7406<\/strong><\/h3>\n\n\n\n
JavaScript \u53ef\u4ee5\u54cd\u5e94\u7528\u6237\u5728 HTML \u9875\u9762\u4e0a\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u70b9\u51fb\u6309\u94ae\u3001\u63d0\u4ea4\u8868\u5355\u3001\u9f20\u6807\u79fb\u52a8\u7b49\u3002\u4e8b\u4ef6\u5904\u7406\u5668\u7528\u4e8e\u6355\u6349\u548c\u54cd\u5e94\u8fd9\u4e9b\u4e8b\u4ef6\u3002<\/p>\n\n\n\n
3.1. \u4e8b\u4ef6\u76d1\u542c\u5668<\/strong><\/h4>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>\u4e8b\u4ef6\u76d1\u542c\u5668<\/title>\n<\/head>\n<body>\n  <button id=\"clickMe\">\u70b9\u51fb\u6211<\/button>\n\n  <script>\n    const button = document.getElementById('clickMe');\n\n    \/\/ \u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c\u5668\n    button.addEventListener('click', function() {\n      alert('\u6309\u94ae\u88ab\u70b9\u51fb\u4e86\uff01');\n    });\n  <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0caddEventListener<\/code> \u7528\u4e8e\u7ed1\u5b9a\u4e00\u4e2a\u70b9\u51fb\u4e8b\u4ef6\uff0c\u5f53\u6309\u94ae\u88ab\u70b9\u51fb\u65f6\u4f1a\u5f39\u51fa\u4e00\u4e2a\u63d0\u793a\u6846\u3002<\/p>\n\n\n\n
3.2. \u5185\u8054\u4e8b\u4ef6\u5904\u7406\u5668<\/strong><\/h4>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>\u5185\u8054\u4e8b\u4ef6\u5904\u7406<\/title>\n<\/head>\n<body>\n  <button onclick=\"alert('\u6309\u94ae\u88ab\u70b9\u51fb\u4e86\uff01')\">\u70b9\u51fb\u6211<\/button>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u8fd9\u79cd\u65b9\u5f0f\u5c06 JavaScript \u4ee3\u7801\u76f4\u63a5\u5199\u5728 HTML \u6807\u7b7e\u7684\u4e8b\u4ef6\u5c5e\u6027\u4e2d\u3002\u4e0d\u8fc7\uff0c\u63a8\u8350\u4f7f\u7528\u5916\u90e8\u811a\u672c\u548c\u4e8b\u4ef6\u76d1\u542c\u5668\u7684\u65b9\u5f0f\uff0c\u8fd9\u6837\u66f4\u7b26\u5408\u5206\u79bb\u7ed3\u6784\u548c\u884c\u4e3a\u7684\u8bbe\u8ba1\u7406\u5ff5\u3002<\/p>\n\n\n\n
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4. \u52a8\u6001\u5185\u5bb9\u66f4\u65b0<\/strong><\/h3>\n\n\n\n
JavaScript \u53ef\u4ee5\u52a8\u6001\u5730\u66f4\u65b0 HTML \u5185\u5bb9\uff0c\u5b9e\u73b0\u7528\u6237\u4ea4\u4e92\u65f6\u9875\u9762\u7684\u5373\u65f6\u53d8\u5316\uff0c\u65e0\u9700\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u9875\u9762\u3002<\/p>\n\n\n\n
4.1. \u52a8\u6001\u521b\u5efa\u548c\u5220\u9664\u5143\u7d20<\/strong><\/h4>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>\u52a8\u6001\u521b\u5efa\u5143\u7d20<\/title>\n<\/head>\n<body>\n  <div id=\"container\"><\/div>\n  <button id=\"addBtn\">\u6dfb\u52a0\u65b0\u5143\u7d20<\/button>\n\n  <script>\n    const container = document.getElementById('container');\n    const addButton = document.getElementById('addBtn');\n\n    addButton.addEventListener('click', function() {\n      const newElement = document.createElement('p');\n      newElement.textContent = '\u8fd9\u662f\u4e00\u4e2a\u65b0\u521b\u5efa\u7684\u6bb5\u843d\u5143\u7d20\uff01';\n      container.appendChild(newElement);\n    });\n  <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u5f53\u7528\u6237\u70b9\u51fb\u6309\u94ae\u65f6\uff0cJavaScript \u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 <p><\/code> \u5143\u7d20\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u9875\u9762\u4e2d\u7684 <div id=\"container\"><\/code> \u5bb9\u5668\u4e2d\u3002<\/p>\n\n\n\n
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5. \u4f7f\u7528 JavaScript \u4e0e\u8868\u5355\u4ea4\u4e92<\/strong><\/h3>\n\n\n\n
JavaScript \u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u8868\u5355\u6570\u636e\u3001\u9a8c\u8bc1\u8868\u5355\u5b57\u6bb5\u548c\u63d0\u4ea4\u8868\u5355\u7b49\u3002<\/p>\n\n\n\n
5.1. \u8868\u5355\u9a8c\u8bc1<\/strong><\/h4>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>\u8868\u5355\u9a8c\u8bc1<\/title>\n<\/head>\n<body>\n  <form id=\"myForm\">\n    <label for=\"name\">\u59d3\u540d:<\/label>\n    <input type=\"text\" id=\"name\" name=\"name\" required>\n    <button type=\"submit\">\u63d0\u4ea4<\/button>\n  <\/form>\n\n  <script>\n    const form = document.getElementById('myForm');\n\n    form.addEventListener('submit', function(event) {\n      const name = document.getElementById('name').value;\n      if (name === '') {\n        alert('\u59d3\u540d\u4e0d\u80fd\u4e3a\u7a7a');\n        event.preventDefault(); \/\/ \u963b\u6b62\u8868\u5355\u63d0\u4ea4\n      }\n    });\n  <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cJavaScript \u5728\u8868\u5355\u63d0\u4ea4\u65f6\u68c0\u67e5\u662f\u5426\u586b\u5199\u4e86\u59d3\u540d\u5b57\u6bb5\u3002\u5982\u679c\u6ca1\u6709\u586b\u5199\uff0c\u963b\u6b62\u8868\u5355\u63d0\u4ea4\u5e76\u63d0\u793a\u7528\u6237\u3002<\/p>\n\n\n\n
\n\n\n\n
\u603b\u7ed3<\/strong><\/h3>\n\n\n\n
HTML \u548c JavaScript \u7684\u7ed3\u5408\u80fd\u591f\u4f7f Web \u9875\u9762\u66f4\u5177\u52a8\u6001\u6027\u548c\u4ea4\u4e92\u6027\u3002\u901a\u8fc7 JavaScript\uff0c\u6211\u4eec\u53ef\u4ee5\u64cd\u4f5c DOM \u5143\u7d20\u3001\u5904\u7406\u7528\u6237\u4e8b\u4ef6\u3001\u52a8\u6001\u66f4\u65b0\u5185\u5bb9\u3001\u8fdb\u884c\u8868\u5355\u9a8c\u8bc1\u7b49\u3002\u901a\u8fc7\u5408\u7406\u7684\u7ec4\u5408\u548c\u4f7f\u7528 HTML \u548c JavaScript\uff0c\u53ef\u4ee5\u6784\u5efa\u529f\u80fd\u4e30\u5bcc\u3001\u7528\u6237\u53cb\u597d\u7684 Web \u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
HTML \u548c JavaScript \u662f\u6784\u5efa Web \u5e94\u7528\u7684\u4e24\u5927\u6838\u5fc3\u6280\u672f\u3002HTML \u7528\u4e8e\u6784\u5efa\u9875\u9762\u7684\u7ed3\u6784\uff0c\u800c Ja […]<\/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-1937","post","type-post","status-publish","format-standard","hentry","category-html"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1937","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=1937"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1937\/revisions"}],"predecessor-version":[{"id":1938,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1937\/revisions\/1938"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}