{"id":191,"date":"2026-01-26T11:29:00","date_gmt":"2026-01-26T03:29:00","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=191"},"modified":"2026-06-04T11:38:55","modified_gmt":"2026-06-04T03:38:55","slug":"dom-%e4%ba%8b%e4%bb%b6%e7%9a%84%e4%bc%a0%e6%92%ad%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2026\/01\/26\/dom-%e4%ba%8b%e4%bb%b6%e7%9a%84%e4%bc%a0%e6%92%ad%e6%9c%ba%e5%88%b6\/","title":{"rendered":"DOM \u4e8b\u4ef6\u7684\u4f20\u64ad\u673a\u5236"},"content":{"rendered":"\n

\u4e8b\u4ef6\u4e0e\u4e8b\u4ef6\u6d41<\/h2>\n\n\n\n

\u4e8b\u4ef6\u6700\u65e9\u662f\u5728 IE3<\/em> \u548c NetscapeNavigator2<\/em> \u4e2d\u51fa\u73b0\u7684\uff0c\u5f53\u65f6\u662f\u4f5c\u4e3a\u5206\u62c5\u670d\u52a1\u5668\u8fd0\u7b97\u8d1f\u62c5\u7684\u4e00\u79cd\u624b\u6bb5\u3002<\/p>\n\n\n\n

\u8981\u5b9e\u73b0\u548c\u7f51\u9875\u7684\u4e92\u52a8\uff0c\u5c31\u9700\u8981\u901a\u8fc7 JavaScript<\/em> \u91cc\u9762\u7684\u4e8b\u4ef6\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n

\u6bcf\u6b21\u7528\u6237\u4e0e\u4e00\u4e2a\u7f51\u9875\u8fdb\u884c\u4ea4\u4e92\uff0c\u4f8b\u5982\u70b9\u51fb\u94fe\u63a5\uff0c\u6309\u4e0b\u4e00\u4e2a\u6309\u952e\u6216\u8005\u79fb\u52a8\u9f20\u6807\u65f6\uff0c\u5c31\u4f1a\u89e6\u53d1\u4e00\u4e2a\u4e8b\u4ef6\u3002\u6211\u4eec\u7684\u7a0b\u5e8f\u53ef\u4ee5\u68c0\u6d4b\u8fd9\u4e9b\u4e8b\u4ef6\uff0c\u7136\u540e\u5bf9\u6b64\u4f5c\u51fa\u54cd\u5e94\u3002\u4ece\u800c\u5f62\u6210\u4e00\u79cd\u4ea4\u4e92\u3002<\/p>\n\n\n\n

\u8fd9\u6837\u53ef\u4ee5\u4f7f\u6211\u4eec\u7684\u9875\u9762\u53d8\u5f97\u66f4\u52a0\u7684\u6709\u610f\u601d\uff0c\u800c\u4e0d\u4ec5\u4ec5\u50cf\u4ee5\u524d\u4e00\u6837\u53ea\u80fd\u8fdb\u884c\u6d4f\u89c8\u3002<\/p>\n\n\n\n

\u5728\u65e9\u671f\u62e8\u53f7\u4e0a\u7f51\u7684\u5e74\u4ee3\uff0c\u5982\u679c\u6240\u6709\u7684\u529f\u80fd\u90fd\u653e\u5728\u670d\u52a1\u5668\u7aef\u8fdb\u884c\u5904\u7406\u7684\u8bdd\uff0c\u6548\u7387\u662f\u975e\u5e38\u4f4e\u7684\u3002<\/p>\n\n\n\n

\u6240\u4ee5 JavaScript<\/em> \u6700\u521d\u88ab\u8bbe\u8ba1\u51fa\u6765\u5c31\u662f\u7528\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u7684\u3002\u901a\u8fc7\u5141\u8bb8\u4e00\u4e9b\u529f\u80fd\u5728\u5ba2\u6237\u7aef\u5904\u7406\uff0c\u4ee5\u8282\u7701\u5230\u670d\u52a1\u5668\u7684\u5f80\u8fd4\u65f6\u95f4\u3002<\/p>\n\n\n\n

JavaScript<\/em> \u4e2d\u91c7\u7528\u4e00\u4e2a\u53eb\u505a\u4e8b\u4ef6\u76d1\u542c\u5668\u7684\u4e1c\u897f\u6765\u76d1\u542c\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\u3002\u8fd9\u4e2a\u4e8b\u4ef6\u76d1\u542c\u5668\u7c7b\u4f3c\u4e8e\u4e00\u4e2a\u901a\u77e5\uff0c\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c\u4e8b\u4ef6\u76d1\u542c\u5668\u4f1a\u8ba9\u6211\u4eec\u77e5\u9053\uff0c\u7136\u540e\u7a0b\u5e8f\u5c31\u53ef\u4ee5\u505a\u51fa\u76f8\u5e94\u7684\u54cd\u5e94\u3002<\/p>\n\n\n\n

\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5c31\u53ef\u4ee5\u907f\u514d\u8ba9\u7a0b\u5e8f\u4e0d\u65ad\u5730\u53bb\u68c0\u67e5\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\uff0c\u8ba9\u7a0b\u5e8f\u5728\u7b49\u5f85\u4e8b\u4ef6\u53d1\u751f\u7684\u540c\u65f6\uff0c\u53ef\u4ee5\u7ee7\u7eed\u505a\u5176\u4ed6\u7684\u4efb\u52a1\u3002<\/p>\n\n\n\n

\u4e8b\u4ef6\u6d41<\/h3>\n\n\n\n

\u5f53\u6d4f\u89c8\u5668\u53d1\u5c55\u5230\u7b2c 4<\/em> \u4ee3\u65f6\uff08IE4<\/em> \u53ca Netscape4<\/em>\uff09\uff0c\u6d4f\u89c8\u5668\u5f00\u53d1\u56e2\u961f\u9047\u5230\u4e86\u4e00\u4e2a\u5f88\u6709\u610f\u601d\u7684\u95ee\u9898\uff1a\u9875\u9762\u7684\u54ea\u4e00\u90e8\u5206\u4f1a\u62e5\u6709\u67d0\u4e2a\u7279\u5b9a\u7684\u4e8b\u4ef6\uff1f<\/p>\n\n\n\n

\u60f3\u8c61\u5728\u4e00\u5f20\u7eb8\u4e0a\u7684\u4e00\u7ec4\u540c\u5fc3\u5706\u3002\u5982\u679c\u628a\u624b\u6307\u653e\u5728\u5706\u5fc3\u4e0a\uff0c\u90a3\u4e48\u624b\u6307\u6307\u5411\u7684\u4e0d\u662f\u4e00\u4e2a\u5706\uff0c\u800c\u662f\u7eb8\u4e0a\u7684\u6240\u6709\u5706\u3002<\/p>\n\n\n\n

\u597d\u5728\u4e24\u5bb6\u516c\u53f8\u7684\u6d4f\u89c8\u5668\u5f00\u53d1\u56e2\u961f\u5728\u770b\u5f85\u6d4f\u89c8\u5668\u4e8b\u4ef6\u65b9\u9762\u8fd8\u662f\u4e00\u81f4\u7684\u3002<\/p>\n\n\n\n

\u5982\u679c\u5355\u51fb\u4e86\u67d0\u4e2a\u6309\u94ae\uff0c\u4ed6\u4eec\u90fd\u8ba4\u4e3a\u5355\u51fb\u4e8b\u4ef6\u4e0d\u4ec5\u4ec5\u53d1\u751f\u5728\u6309\u94ae\u4e0a\uff0c\u751a\u81f3\u4e5f\u5355\u51fb\u4e86\u6574\u4e2a\u9875\u9762\u3002<\/p>\n\n\n\n

\u4f46\u6709\u610f\u601d\u7684\u662f\uff0cIE<\/em> \u548c Netscape<\/em> \u5f00\u53d1\u56e2\u961f\u5c45\u7136\u63d0\u51fa\u4e86\u5dee\u4e0d\u591a\u662f\u5b8c\u5168\u76f8\u53cd\u7684\u4e8b\u4ef6\u6d41\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n

IE<\/em> \u7684\u4e8b\u4ef6\u6d41\u662f\u4e8b\u4ef6\u5192\u6ce1\u6d41\uff0c\u800c Netscape<\/em> \u7684\u4e8b\u4ef6\u6d41\u662f\u4e8b\u4ef6\u6355\u83b7\u6d41\u3002<\/p>\n\n\n\n

\u4e8b\u4ef6\u5192\u6ce1\u6d41<\/h3>\n\n\n\n

IE<\/em> \u7684\u4e8b\u4ef6\u6d41\u53eb\u505a\u4e8b\u4ef6\u5192\u6ce1\uff08event bubbling<\/em>\uff09\uff0c\u5373\u4e8b\u4ef6\u5f00\u59cb\u65f6\u7531\u6700\u5177\u4f53\u7684\u5143\u7d20\uff08\u6587\u6863\u4e2d\u5d4c\u5957\u5c42\u6b21\u6700\u6df1\u7684\u90a3\u4e2a\u8282\u70b9\uff09\u63a5\u6536\uff0c\u7136\u540e\u9010\u7ea7\u5411\u4e0a\u4f20\u64ad\u5230\u8f83\u4e3a\u4e0d\u5177\u4f53\u7684\u8282\u70b9\uff08\u6587\u6863\uff09\u3002<\/p>\n\n\n\n

\u4ee5\u4e0b\u5217 HTML<\/em> \u7ed3\u6784\u4e3a\u4f8b\uff0c\u6765\u8bf4\u660e\u4e8b\u4ef6\u5192\u6ce1\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n

<!DOCTYPE html>
<html lang=\"en\">
    <head>
        <meta charset=\"UTF-8\">
        <title>Document<\/title>
    <\/head>
    <body>
        <div><\/div>
    <\/body>
<\/html><\/code><\/pre>\n\n\n\n
\u5982\u679c\u5355\u51fb\u4e86\u9875\u9762\u4e2d\u7684 div<\/em> \u5143\u7d20\uff0c\u90a3\u4e48\u8fd9\u4e2a click<\/em> \u4e8b\u4ef6\u6cbf DOM<\/em> \u6811\u5411\u4e0a\u4f20\u64ad\uff0c\u5728\u6bcf\u4e00\u7ea7\u8282\u70b9\u4e0a\u90fd\u4f1a\u53d1\u751f\uff0c\u6309\u7167\u5982\u4e0b\u987a\u5e8f\u8fdb\u884c\u4f20\u64ad\uff1a<\/p>\n\n\n\n
    \n
  1. div<\/em><\/li>\n\n\n\n
  2. body<\/em><\/li>\n\n\n\n
  3. html<\/em><\/li>\n\n\n\n
  4. document<\/em><\/li>\n<\/ol>\n\n\n\n
    \u6240\u6709\u73b0\u4ee3\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u4e8b\u4ef6\u5192\u6ce1\uff0c\u4f46\u5728\u5177\u4f53\u5b9e\u73b0\u5728\u8fd8\u662f\u6709\u4e00\u4e9b\u5dee\u522b\u3002<\/p>\n\n\n\n
    IE9\u3001Firefox\u3001Chrome\u3001Safari<\/em> \u5c06\u4e8b\u4ef6\u4e00\u76f4\u5192\u6ce1\u5230 window<\/em> \u5bf9\u8c61\u3002<\/p>\n\n\n\n
    \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u6765\u67e5\u770b\u6587\u6863\u5177\u4f53\u7684\u5192\u6ce1\u987a\u5e8f\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
    <div id=\"box\" style=\"height:100px;width:300px;background-color:pink;\"><\/div>
    <button id=\"reset\">\u8fd8\u539f<\/button><\/code><\/pre>\n\n\n\n
    \/\/ IE8 \u4ee5\u4e0b\u6d4f\u89c8\u5668\u8fd4\u56de div body html document
    \/\/ \u5176\u4ed6\u6d4f\u89c8\u5668\u8fd4\u56de div body html document window
    reset.onclick = function () {
      history.go();
    }
    box.onclick = function () {
      box.innerHTML += 'div\\n';
    }
    document.body.onclick = function () {
      box.innerHTML += 'body\\n';
    }
    document.documentElement.onclick = function () {
      box.innerHTML += 'html\\n';
    }
    document.onclick = function () {
      box.innerHTML += 'document\\n';
    }
    window.onclick = function () {
      box.innerHTML += 'window\\n';
    }<\/code><\/pre>\n\n\n\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4e3a div<\/em> \u4ee5\u53ca\u5b83\u7684\u7956\u5148\u5143\u7d20\u7ed1\u5b9a\u4e86\u70b9\u51fb\u4e8b\u4ef6\uff0c\u7531\u4e8e\u4e8b\u4ef6\u5192\u6ce1\u7684\u5b58\u5728\uff0c\u5f53\u6211\u4eec\u70b9\u51fb div<\/em> \u65f6\uff0c\u6240\u6709\u7956\u5148\u5143\u7d20\u7684\u70b9\u51fb\u4e8b\u4ef6\u4e5f\u4f1a\u88ab\u89e6\u53d1\u3002<\/p>\n\n\n\n
    \u4e8b\u4ef6\u6355\u83b7\u6d41<\/h3>\n\n\n\n
    Netscape Communicator<\/em> \u56e2\u961f\u63d0\u51fa\u7684\u53e6\u4e00\u79cd\u4e8b\u4ef6\u6d41\u53eb\u505a\u4e8b\u4ef6\u6355\u83b7\uff08event captruing<\/em>\uff09\u3002<\/p>\n\n\n\n
    \u4e8b\u4ef6\u6355\u83b7\u7684\u601d\u60f3\u662f\u4e0d\u592a\u5177\u4f53\u7684\u8282\u70b9\u5e94\u8be5\u66f4\u65e9\u63a5\u6536\u5230\u4e8b\u4ef6\uff0c\u800c\u6700\u5177\u4f53\u7684\u8282\u70b9\u5e94\u8be5\u6700\u540e\u63a5\u6536\u5230\u4e8b\u4ef6\u3002<\/p>\n\n\n\n
    \u4e8b\u4ef6\u6355\u83b7\u7684\u601d\u60f3\u662f\u5728\u4e8b\u4ef6\u5230\u8fbe\u9884\u5b9a\u76ee\u6807\u4e4b\u524d\u5c31\u6355\u83b7\u5b83\u3002<\/p>\n\n\n\n
    \u4ee5\u540c\u6837\u7684 HTML<\/em> \u7ed3\u6784\u4e3a\u4f8b\u6765\u8bf4\u660e\u4e8b\u4ef6\u6355\u83b7\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
    <!DOCTYPE html>
    <html lang=\"en\">
        <head>
            <meta charset=\"UTF-8\">
            <title>Document<\/title>
        <\/head>
        <body>
            <div><\/div>    
        <\/body>
    <\/html><\/code><\/pre>\n\n\n\n
    \u5728\u4e8b\u4ef6\u6355\u83b7\u8fc7\u7a0b\u4e2d\uff0cdocument<\/em> \u5bf9\u8c61\u9996\u5148\u63a5\u6536\u5230 click<\/em> \u4e8b\u4ef6\uff0c\u7136\u540e\u4e8b\u4ef6\u6cbf DOM<\/em> \u6811\u4f9d\u6b21\u5411\u4e0b\uff0c\u4e00\u76f4\u4f20\u64ad\u5230\u4e8b\u4ef6\u7684\u5b9e\u9645\u76ee\u6807\uff0c\u5373 div<\/em> \u5143\u7d20\uff1a<\/p>\n\n\n\n
      \n
    1. document<\/em><\/li>\n\n\n\n
    2. html<\/em><\/li>\n\n\n\n
    3. body<\/em><\/li>\n\n\n\n
    4. div<\/em><\/li>\n<\/ol>\n\n\n\n
      IE9\u3001Firefox\u3001Chrome\u3001Safari<\/em> \u7b49\u73b0\u4ee3\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u4e8b\u4ef6\u6355\u83b7\uff0c\u4f46\u662f\u4e5f\u662f\u4ece window<\/em> \u5bf9\u8c61\u5f00\u59cb\u6355\u83b7\u3002<\/p>\n\n\n\n
      \u4e0b\u9762\u6211\u4eec\u6765\u6f14\u793a\u4e00\u4e2a\u4e8b\u4ef6\u6355\u83b7\u6d41\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n
      <div id=\"box\" style=\"height:100px;width:300px;background-color:pink;\"><\/div>
      <button id=\"reset\">\u8fd8\u539f<\/button><\/code><\/pre>\n\n\n\n
      \/\/ IE8 \u4ee5\u4e0b\u6d4f\u89c8\u5668\u4e0d\u652f\u6301
      \/\/ \u5176\u4ed6\u6d4f\u89c8\u5668\u8fd4\u56de window document html body div
      reset.onclick = function () {
        history.go();
      }
      box.addEventListener('click', function () {
        box.innerHTML += 'div\\n'
      }, true)
      document.body.addEventListener('click', function () {
        box.innerHTML += 'body\\n';
      }, true);
      document.documentElement.addEventListener('click', function () {
        box.innerHTML += 'html\\n';
      }, true);
      document.addEventListener('click', function () {
        box.innerHTML += 'document\\n';
      }, true);
      window.addEventListener('click', function () {
        box.innerHTML += 'window\\n';
      }, true);<\/code><\/pre>\n\n\n\n
      \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4e3a div<\/em> \u4ee5\u53ca\u5b83\u6240\u6709\u7684\u7956\u5148\u5143\u7d20\u7ed1\u5b9a\u4e86\u70b9\u51fb\u4e8b\u4ef6\uff0c\u4f7f\u7528\u7684 addEventListener<\/em> \u7684\u65b9\u5f0f\u6765\u7ed1\u5b9a\u7684\u4e8b\u4ef6\uff0c\u5e76\u5c06\u7b2c 2<\/em> \u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3a\u4e86 true<\/em> \u8868\u793a\u4f7f\u7528\u4e8b\u4ef6\u6355\u83b7\u7684\u65b9\u5f0f\u6765\u89e6\u53d1\u4e8b\u4ef6<\/p>\n\n\n\n
      \u6807\u51c6 DOM<\/em> \u4e8b\u4ef6\u6d41<\/h3>\n\n\n\n
      DOM<\/em> \u6807\u51c6\u91c7\u7528\u7684\u662f\u6355\u83b7 + \u5192\u6ce1<\/strong>\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n
      \u4e24\u79cd\u4e8b\u4ef6\u6d41\u90fd\u4f1a\u89e6\u53d1 DOM<\/em> \u7684\u6240\u6709\u5bf9\u8c61\uff0c\u4ece document<\/em> \u5bf9\u8c61\u5f00\u59cb\uff0c\u4e5f\u5728 document<\/em> \u5bf9\u8c61\u7ed3\u675f\u3002<\/p>\n\n\n\n
      \u6362\u53e5\u8bdd\u8bf4\uff0c\u8d77\u70b9\u548c\u7ec8\u70b9\u90fd\u662f document<\/em> \u5bf9\u8c61\uff08\u5f88\u591a\u6d4f\u89c8\u5668\u53ef\u4ee5\u4e00\u76f4\u6355\u83b7 + \u5192\u6ce1\u5230 window<\/em> \u5bf9\u8c61\uff09<\/p>\n\n\n\n
      DOM<\/em> \u4e8b\u4ef6\u6d41\u793a\u610f\u56fe\uff1a<\/p>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      DOM<\/em> \u6807\u51c6\u89c4\u5b9a\u4e8b\u4ef6\u6d41\u5305\u62ec\u4e09\u4e2a\u9636\u6bb5\uff1a\u4e8b\u4ef6\u6355\u83b7\u9636\u6bb5<\/strong>\u3001\u5904\u4e8e\u76ee\u6807\u9636\u6bb5<\/strong>\u548c\u4e8b\u4ef6\u5192\u6ce1\u9636\u6bb5<\/strong>\u3002<\/p>\n\n\n\n
        \n
      • \u4e8b\u4ef6\u6355\u83b7\u9636\u6bb5\uff1a<\/strong>\u5b9e\u9645\u76ee\u6807 div<\/em> \u5728\u6355\u83b7\u9636\u6bb5\u4e0d\u4f1a\u89e6\u53d1\u4e8b\u4ef6\u3002\u6355\u83b7\u9636\u6bb5\u4ece window<\/em> \u5f00\u59cb\uff0c\u7136\u540e\u5230 document\u3001html<\/em>\uff0c\u6700\u540e\u5230 body<\/em> \u610f\u5473\u7740\u6355\u83b7\u9636\u6bb5\u7ed3\u675f\u3002<\/li>\n<\/ul>\n\n\n\n
          \n
        • \u5904\u4e8e\u76ee\u6807\u9636\u6bb5\uff1a<\/strong>\u4e8b\u4ef6\u5728 div<\/em> \u4e0a\u53d1\u751f\u5e76\u5904\u7406\uff0c\u4f46\u662f\u672c\u6b21\u4e8b\u4ef6\u5904\u7406\u4f1a\u88ab\u770b\u6210\u662f\u5192\u6ce1\u9636\u6bb5\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<\/ul>\n\n\n\n
            \n
          • \u5192\u6ce1\u9636\u6bb5\uff1a<\/strong>\u4e8b\u4ef6\u53c8\u4f20\u64ad\u56de\u6587\u6863\u3002<\/li>\n<\/ul>\n\n\n\n
            \u4e8b\u4ef6\u59d4\u6258<\/h2>\n\n\n\n
            \u4e0a\u9762\u4ecb\u7ecd\u4e86\u4e8b\u4ef6\u5192\u6ce1\u6d41\uff0c\u4e8b\u4ef6\u5192\u6ce1\u4e00\u4e2a\u6700\u5927\u7684\u597d\u5904\u5c31\u662f\u53ef\u4ee5\u5b9e\u73b0\u4e8b\u4ef6\u59d4\u6258\u3002<\/p>\n\n\n\n
            \u4e8b\u4ef6\u59d4\u6258\uff0c\u53c8\u88ab\u79f0\u4e4b\u4e3a\u4e8b\u4ef6\u4ee3\u7406\u3002\u5728 JavaScript<\/em> \u4e2d\uff0c\u6dfb\u52a0\u5230\u9875\u9762\u4e0a\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6570\u91cf\u5c06\u76f4\u63a5\u5173\u7cfb\u5230\u9875\u9762\u6574\u4f53\u7684\u8fd0\u884c\u6027\u80fd\u3002\u5bfc\u81f4\u8fd9\u4e00\u95ee\u9898\u7684\u539f\u56e0\u662f\u591a\u65b9\u9762\u7684\u3002<\/p>\n\n\n\n
            \u9996\u5148\uff0c\u6bcf\u4e2a\u51fd\u6570\u90fd\u662f\u5bf9\u8c61\uff0c\u90fd\u4f1a\u5360\u7528\u5185\u5b58\u3002\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61\u8d8a\u591a\uff0c\u6027\u80fd\u5c31\u8d8a\u5dee\u3002\u5176\u6b21\uff0c\u5fc5\u987b\u4e8b\u5148\u6307\u5b9a\u6240\u6709\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u800c\u5bfc\u81f4\u7684 DOM<\/em> \u8bbf\u95ee\u6b21\u6570\uff0c\u4f1a\u5ef6\u8fdf\u6574\u4e2a\u9875\u9762\u7684\u4ea4\u4e92\u5c31\u7eea\u65f6\u95f4\u3002<\/p>\n\n\n\n
            \u5bf9\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u8fc7\u591a\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u4e8b\u4ef6\u59d4\u6258\u3002<\/p>\n\n\n\n
            \u4e8b\u4ef6\u59d4\u6258\u5229\u7528\u4e86\u4e8b\u4ef6\u5192\u6ce1\uff0c\u53ea\u6307\u5b9a\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u5c31\u53ef\u4ee5\u7ba1\u7406\u67d0\u4e00\u7c7b\u578b\u7684\u6240\u6709\u4e8b\u4ef6\u3002<\/p>\n\n\n\n
            \u4f8b\u5982\uff0cclick<\/em> \u4e8b\u4ef6\u4f1a\u4e00\u76f4\u5192\u6ce1\u5230 document<\/em> \u5c42\u6b21\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u6574\u4e2a\u9875\u9762\u6307\u5b9a\u4e00\u4e2a onclick<\/em> \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u800c\u4e0d\u5fc5\u7ed9\u6bcf\u4e2a\u53ef\u5355\u51fb\u7684\u5143\u7d20\u5206\u522b\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n\n\n\n
            \u4e3e\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\uff0c\u4f8b\u5982\u73b0\u5728\u6211\u7684\u5217\u8868\u9879\u6709\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n
            <ul id=\"color-list\">
              <li>red<\/li>
              <li>yellow<\/li>
              <li>blue<\/li>
              <li>green<\/li>
              <li>black<\/li>
              <li>white<\/li>
            <\/ul><\/code><\/pre>\n\n\n\n
            \u5982\u679c\u6211\u4eec\u60f3\u628a\u4e8b\u4ef6\u76d1\u542c\u5668\u7ed1\u5b9a\u5230\u6240\u6709\u7684 li<\/em> \u5143\u7d20\u4e0a\u9762\uff0c\u8fd9\u6837\u5b83\u4eec\u88ab\u5355\u51fb\u7684\u65f6\u5019\u5c31\u5f39\u51fa\u4e00\u4e9b\u6587\u5b57\uff0c\u4e3a\u6b64\u6211\u4eec\u9700\u8981\u7ed9\u6bcf\u4e00\u4e2a\u5143\u7d20\u6765\u7ed1\u5b9a\u4e00\u4e2a\u4e8b\u4ef6\u76d1\u542c\u5668\u3002<\/p>\n\n\n\n
            \u867d\u7136\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u597d\u50cf\u95ee\u9898\u4e5f\u4e0d\u5927\uff0c\u4f46\u662f\u60f3\u8c61\u4e00\u4e0b\u5982\u679c\u8fd9\u4e2a\u5217\u8868\u6709 100<\/em> \u4e2a\u5143\u7d20\uff0c\u90a3\u6211\u4eec\u5c31\u9700\u8981\u6dfb\u52a0 100<\/em> \u4e2a\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u8fd9\u4e2a\u5de5\u4f5c\u91cf\u8fd8\u662f\u5f88\u6050\u6016\u7684\u3002<\/p>\n\n\n\n
            \u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u5c31\u53ef\u4ee5\u5229\u7528\u4e8b\u4ef6\u4ee3\u7406\u6765\u5e2e\u52a9\u6211\u4eec\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n
            \u5c06\u4e8b\u4ef6\u76d1\u542c\u5668\u7ed1\u5b9a\u5230\u7236\u5143\u7d20 ul<\/em> \u4e0a\uff0c\u8fd9\u6837\u5373\u53ef\u5bf9\u6240\u6709\u7684 li<\/em> \u5143\u7d20\u6dfb\u52a0\u4e8b\u4ef6\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
            var colorList = document.getElementById(\"color-list\");
            colorList.addEventListener(\"click\",function(){
              alert(\"Hello\");
            })<\/code><\/pre>\n\n\n\n
            \u73b0\u5728\u6211\u4eec\u5355\u51fb\u5217\u8868\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a li<\/em> \u90fd\u4f1a\u5f39\u51fa\u4e1c\u897f\uff0c\u5c31\u597d\u50cf\u8fd9\u4e9b li<\/em> \u5143\u7d20\u5c31\u662f click<\/em> \u4e8b\u4ef6\u7684\u76ee\u6807\u4e00\u6837\u3002<\/p>\n\n\n\n
            \u5e76\u4e14\u5982\u679c\u6211\u4eec\u4e4b\u540e\u518d\u4e3a\u8fd9\u4e2a ul<\/em> \u6dfb\u52a0\u65b0\u7684 li<\/em> \u5143\u7d20\u7684\u8bdd\uff0c\u65b0\u7684 li<\/em> \u5143\u7d20\u4e5f\u4f1a\u81ea\u52a8\u6dfb\u52a0\u4e0a\u76f8\u540c\u7684\u4e8b\u4ef6\u3002<\/p>\n\n\n\n
            \u4f46\u662f\uff0c\u8fd9\u4e2a\u65f6\u5019\u4e5f\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u867d\u7136\u6211\u4eec\u4f7f\u7528\u4e8b\u4ef6\u4ee3\u7406\u907f\u514d\u4e86\u4e3a\u6bcf\u4e00\u4e2a li<\/em> \u5143\u7d20\u6dfb\u52a0\u76f8\u540c\u7684\u4e8b\u4ef6\uff0c\u4f46\u662f\u5982\u679c\u7528\u6237\u6ca1\u6709\u70b9\u51fb li<\/em>\uff0c\u800c\u662f\u70b9\u51fb\u7684 ul<\/em>\uff0c\u540c\u6837\u4e5f\u4f1a\u89e6\u53d1\u4e8b\u4ef6\u3002<\/p>\n\n\n\n
            \u8fd9\u4e5f\u5f88\u6b63\u5e38\uff0c\u56e0\u4e3a\u6211\u4eec\u4e8b\u4ef6\u5c31\u662f\u7ed1\u5b9a\u5728 ul<\/em> \u4e0a\u9762\u7684\u3002<\/p>\n\n\n\n
            \u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u5bf9\u70b9\u51fb\u7684\u8282\u70b9\u8fdb\u884c\u4e00\u4e2a\u5c0f\u5c0f\u7684\u5224\u65ad\uff0c\u4ece\u800c\u4fdd\u8bc1\u7528\u6237\u53ea\u5728\u70b9\u51fb li<\/em> \u7684\u65f6\u5019\u624d\u89e6\u53d1\u4e8b\u4ef6\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
            var colorList = document.getElementById(\"color-list\");
            colorList.addEventListener(\"click\", function (event) {
              if (event.target.nodeName === 'LI') {
                alert('\u70b9\u51fb li');
              }
            })<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
            \u4e8b\u4ef6\u4e0e\u4e8b\u4ef6\u6d41 \u4e8b\u4ef6\u6700\u65e9\u662f\u5728 IE3 \u548c Netsc..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-191","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"author_info":{"info":["\u9648 \u67d0\u4eba"]},"category_info":"\u672a\u5206\u7c7b<\/a>","tag_info":"\u672a\u5206\u7c7b","comment_count":"0","_links":{"self":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/comments?post=191"}],"version-history":[{"count":1,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/191\/revisions"}],"predecessor-version":[{"id":193,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/191\/revisions\/193"}],"wp:attachment":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/media?parent=191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/categories?post=191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/tags?post=191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}