{"id":2027,"date":"2025-02-25T22:33:51","date_gmt":"2025-02-25T14:33:51","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2027"},"modified":"2025-02-25T22:33:51","modified_gmt":"2025-02-25T14:33:51","slug":"javascript-%e4%ba%8b%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/25\/javascript-%e4%ba%8b%e4%bb%b6\/","title":{"rendered":"JavaScript\u00a0\u4e8b\u4ef6"},"content":{"rendered":"\n<p>\u5728 JavaScript \u4e2d\uff0c<strong>\u4e8b\u4ef6\uff08Event\uff09<\/strong> \u662f\u6307\u7528\u6237\u4e0e\u7f51\u9875\u8fdb\u884c\u4ea4\u4e92\u65f6\u53d1\u751f\u7684\u5404\u79cd\u64cd\u4f5c\uff0c\u4f8b\u5982\u70b9\u51fb\u3001\u6309\u952e\u3001\u52a0\u8f7d\u3001\u9f20\u6807\u79fb\u52a8\u7b49\u3002\u901a\u8fc7\u5904\u7406\u8fd9\u4e9b\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u8ba9\u7f51\u9875\u53d8\u5f97\u66f4\u52a0\u52a8\u6001\u548c\u4ea4\u4e92\u6027\u5f3a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u5e38\u89c1\u7684\u4e8b\u4ef6\u7c7b\u578b<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u9f20\u6807\u4e8b\u4ef6<\/strong>\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>click<\/code>\uff1a\u9f20\u6807\u70b9\u51fb\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li><code>dblclick<\/code>\uff1a\u9f20\u6807\u53cc\u51fb\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li><code>mouseenter<\/code>\uff1a\u9f20\u6807\u79fb\u5165\u5143\u7d20\u7684\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li><code>mouseleave<\/code>\uff1a\u9f20\u6807\u79fb\u51fa\u5143\u7d20\u7684\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li><code>mousemove<\/code>\uff1a\u9f20\u6807\u79fb\u52a8\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li><code>mousedown<\/code>\uff1a\u9f20\u6807\u6309\u4e0b\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li><code>mouseup<\/code>\uff1a\u9f20\u6807\u91ca\u653e\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u952e\u76d8\u4e8b\u4ef6<\/strong>\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>keydown<\/code>\uff1a\u6309\u4e0b\u952e\u76d8\u4e0a\u7684\u4efb\u610f\u952e\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>keypress<\/code>\uff1a\u6309\u4e0b\u5e76\u4fdd\u6301\u6309\u952e\u65f6\u89e6\u53d1\uff08\u5df2\u5e9f\u5f03\uff0c\u4f7f\u7528 <code>keydown<\/code>\uff09\u3002<\/li>\n\n\n\n<li><code>keyup<\/code>\uff1a\u677e\u5f00\u952e\u76d8\u4e0a\u7684\u6309\u952e\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u8868\u5355\u4e8b\u4ef6<\/strong>\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>submit<\/code>\uff1a\u8868\u5355\u63d0\u4ea4\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>change<\/code>\uff1a\u8868\u5355\u5143\u7d20\u7684\u503c\u53d8\u5316\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>focus<\/code>\uff1a\u8868\u5355\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>blur<\/code>\uff1a\u8868\u5355\u5143\u7d20\u5931\u53bb\u7126\u70b9\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u6587\u6863\u4e8b\u4ef6<\/strong>\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>load<\/code>\uff1a\u9875\u9762\u6216\u8d44\u6e90\u52a0\u8f7d\u5b8c\u6210\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>resize<\/code>\uff1a\u6d4f\u89c8\u5668\u7a97\u53e3\u5927\u5c0f\u53d8\u5316\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>scroll<\/code>\uff1a\u9875\u9762\u6eda\u52a8\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5176\u4ed6\u4e8b\u4ef6<\/strong>\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>focus<\/code>\uff1a\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u65f6\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>blur<\/code>\uff1a\u5143\u7d20\u5931\u53bb\u7126\u70b9\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u4e8b\u4ef6\u7ed1\u5b9a<\/strong><\/h3>\n\n\n\n<p>JavaScript \u63d0\u4f9b\u4e86\u51e0\u79cd\u65b9\u6cd5\u6765\u7ed1\u5b9a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">a. <strong>\u4f7f\u7528 HTML \u5c5e\u6027<\/strong><\/h4>\n\n\n\n<p>\u53ef\u4ee5\u76f4\u63a5\u5728 HTML \u6807\u7b7e\u4e2d\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u5c5e\u6027\uff0c\u4f8b\u5982 <code>onclick<\/code>\u3001<code>onmouseover<\/code> \u7b49\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;button onclick=\"alert('Button clicked!')\"&gt;Click Me&lt;\/button&gt;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">b. <strong>\u4f7f\u7528 <code>addEventListener()<\/code> \u65b9\u6cd5<\/strong><\/h4>\n\n\n\n<p><code>addEventListener()<\/code> \u662f\u4e00\u79cd\u66f4\u52a0\u7075\u6d3b\u7684\u7ed1\u5b9a\u4e8b\u4ef6\u7684\u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u5c06\u591a\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6dfb\u52a0\u5230\u540c\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u4e14\u53ef\u4ee5\u6307\u5b9a\u4e8b\u4ef6\u7684\u6355\u83b7\u6216\u5192\u6ce1\u9636\u6bb5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>let button = document.querySelector(\"button\");\n\nbutton.addEventListener(\"click\", function() {\n  alert(\"Button clicked!\");\n});<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>addEventListener()<\/code> \u7684\u8bed\u6cd5\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  element.addEventListener(event, function, useCapture);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>event<\/code>\uff1a\u8981\u76d1\u542c\u7684\u4e8b\u4ef6\u7c7b\u578b\uff08\u4f8b\u5982 <code>\"click\"<\/code>\u3001<code>\"keydown\"<\/code>\uff09\u3002<\/li>\n\n\n\n<li><code>function<\/code>\uff1a\u4e8b\u4ef6\u53d1\u751f\u65f6\u8981\u8c03\u7528\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li><code>useCapture<\/code>\uff08\u53ef\u9009\uff09\uff1a\u5982\u679c\u4e3a <code>true<\/code>\uff0c\u4e8b\u4ef6\u4f1a\u5728\u6355\u83b7\u9636\u6bb5\u89e6\u53d1\uff1b\u5982\u679c\u4e3a <code>false<\/code>\uff08\u9ed8\u8ba4\uff09\uff0c\u4e8b\u4ef6\u4f1a\u5728\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">c. <strong>\u4f7f\u7528 <code>onclick<\/code> \u5c5e\u6027<\/strong><\/h4>\n\n\n\n<p><code>onclick<\/code> \u662f\u5143\u7d20\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u53ef\u4ee5\u4e3a\u5b83\u76f4\u63a5\u8d4b\u503c\u4e3a\u4e00\u4e2a\u51fd\u6570\uff0c\u5904\u7406\u70b9\u51fb\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;button onclick=\"handleClick()\"&gt;Click Me&lt;\/button&gt;\n\n&lt;script&gt;\n  function handleClick() {\n    alert(\"Button clicked!\");\n  }\n&lt;\/script&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>\u4e8b\u4ef6\u5bf9\u8c61<\/strong><\/h3>\n\n\n\n<p>\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0cJavaScript \u4f1a\u5c06\u4e00\u4e2a <code>event<\/code> \u5bf9\u8c61\u4f20\u9012\u7ed9\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u3002\u8be5\u5bf9\u8c61\u5305\u542b\u4e86\u5173\u4e8e\u4e8b\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4f8b\u5982\u89e6\u53d1\u4e8b\u4ef6\u7684\u5143\u7d20\u3001\u4e8b\u4ef6\u7c7b\u578b\u3001\u9f20\u6807\u4f4d\u7f6e\u7b49\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f8b\u5b50\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>let button = document.querySelector(\"button\");\n\nbutton.addEventListener(\"click\", function(event) {\n  console.log(event);  \/\/ \u8f93\u51fa\u4e8b\u4ef6\u5bf9\u8c61\n  console.log(event.target);  \/\/ \u8f93\u51fa\u89e6\u53d1\u4e8b\u4ef6\u7684\u5143\u7d20\n  console.log(event.type);  \/\/ \u8f93\u51fa\u4e8b\u4ef6\u7c7b\u578b\uff0c\u4f8b\u5982\uff1aclick\n});<\/code><\/pre>\n\n\n\n<p>\u5e38\u7528\u7684 <code>event<\/code> \u5bf9\u8c61\u5c5e\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>target<\/code>\uff1a\u89e6\u53d1\u4e8b\u4ef6\u7684\u5143\u7d20\u3002<\/li>\n\n\n\n<li><code>type<\/code>\uff1a\u4e8b\u4ef6\u7c7b\u578b\uff08\u4f8b\u5982 <code>\"click\"<\/code>\u3001<code>\"keydown\"<\/code>\uff09\u3002<\/li>\n\n\n\n<li><code>clientX<\/code> \u548c <code>clientY<\/code>\uff1a\u9f20\u6807\u70b9\u51fb\u4f4d\u7f6e\u7684\u5750\u6807\uff08\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u89c6\u53e3\uff09\u3002<\/li>\n\n\n\n<li><code>keyCode<\/code> \u6216 <code>code<\/code>\uff1a\u6309\u952e\u4e8b\u4ef6\u7684\u952e\u7801\uff08\u4f8b\u5982\uff0c<code>Enter<\/code> \u952e\u4e3a 13\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u4e8b\u4ef6\u5192\u6ce1\u4e0e\u6355\u83b7<\/strong><\/h3>\n\n\n\n<p>JavaScript \u4e8b\u4ef6\u6709 <strong>\u5192\u6ce1\uff08Bubbling\uff09<\/strong> \u548c <strong>\u6355\u83b7\uff08Capturing\uff09<\/strong> \u4e24\u4e2a\u9636\u6bb5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5192\u6ce1<\/strong>\uff1a\u4e8b\u4ef6\u4ece\u6700\u6df1\u7684\u5d4c\u5957\u5143\u7d20\u5411\u5916\u5192\u6ce1\uff0c\u76f4\u5230\u5230\u8fbe\u6700\u5916\u5c42\u7684\u5143\u7d20\u3002<\/li>\n\n\n\n<li><strong>\u6355\u83b7<\/strong>\uff1a\u4e8b\u4ef6\u4ece\u6700\u5916\u5c42\u7684\u5143\u7d20\u6355\u83b7\u5230\u6700\u6df1\u7684\u5d4c\u5957\u5143\u7d20\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4e8b\u4ef6\u662f\u4ee5\u5192\u6ce1\u7684\u65b9\u5f0f\u4f20\u64ad\u7684\u3002\u4f7f\u7528 <code>addEventListener()<\/code> \u65b9\u6cd5\u65f6\uff0c\u53ef\u4ee5\u6307\u5b9a\u4e8b\u4ef6\u7684\u4f20\u64ad\u9636\u6bb5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>let div = document.querySelector(\"div\");\nlet button = document.querySelector(\"button\");\n\ndiv.addEventListener(\"click\", function() {\n  alert(\"Div clicked!\");\n}, false);  \/\/ false \u8868\u793a\u5728\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\u4e8b\u4ef6\n\nbutton.addEventListener(\"click\", function() {\n  alert(\"Button clicked!\");\n}, true);  \/\/ true \u8868\u793a\u5728\u6355\u83b7\u9636\u6bb5\u89e6\u53d1\u4e8b\u4ef6<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>button<\/code> \u7684\u70b9\u51fb\u4e8b\u4ef6\u5148\u89e6\u53d1\uff0c\u56e0\u4e3a\u5b83\u5728\u6355\u83b7\u9636\u6bb5\uff1b\u7136\u540e <code>div<\/code> \u7684\u70b9\u51fb\u4e8b\u4ef6\u5728\u5192\u6ce1\u9636\u6bb5\u89e6\u53d1\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>\u4e8b\u4ef6\u59d4\u6258<\/strong><\/h3>\n\n\n\n<p>\u4e8b\u4ef6\u59d4\u6258\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4f18\u5316\u6280\u672f\uff0c\u5b83\u5229\u7528\u4e86\u4e8b\u4ef6\u7684\u5192\u6ce1\u7279\u6027\uff0c\u5141\u8bb8\u5c06\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u7ed1\u5b9a\u5230\u7236\u5143\u7d20\u4e0a\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a\u5b50\u5143\u7d20\u4e0a\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5185\u5b58\u7684\u4f7f\u7528\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u52a8\u6001\u751f\u6210\u7684\u5143\u7d20\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f8b\u5b50\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;ul id=\"list\"&gt;\n  &lt;li&gt;Item 1&lt;\/li&gt;\n  &lt;li&gt;Item 2&lt;\/li&gt;\n  &lt;li&gt;Item 3&lt;\/li&gt;\n&lt;\/ul&gt;\n\n&lt;script&gt;\n  let list = document.getElementById(\"list\");\n\n  list.addEventListener(\"click\", function(event) {\n    if (event.target.tagName === \"LI\") {\n      alert(\"Item clicked: \" + event.target.textContent);\n    }\n  });\n&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>click<\/code> \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u7ed1\u5b9a\u5230 <code>ul<\/code> \u5143\u7d20\u4e0a\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a <code>li<\/code> \u5143\u7d20\u4e0a\u3002\u8fd9\u6837\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u4efb\u4f55\u4e00\u4e2a <code>li<\/code> \u5143\u7d20\u65f6\uff0c\u4e8b\u4ef6\u4f1a\u5192\u6ce1\u5230 <code>ul<\/code> \u5143\u7d20\uff0c\u5904\u7406\u7a0b\u5e8f\u4f1a\u5224\u65ad\u4e8b\u4ef6\u76ee\u6807 <code>event.target<\/code> \u662f\u5426\u662f <code>li<\/code> \u5143\u7d20\uff0c\u4ece\u800c\u51b3\u5b9a\u662f\u5426\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">6. <strong>\u963b\u6b62\u9ed8\u8ba4\u884c\u4e3a\u4e0e\u4e8b\u4ef6\u4f20\u64ad<\/strong><\/h3>\n\n\n\n<p>\u6709\u65f6\u9700\u8981\u963b\u6b62\u4e8b\u4ef6\u7684\u9ed8\u8ba4\u884c\u4e3a\uff08\u4f8b\u5982\uff0c\u63d0\u4ea4\u8868\u5355\u6216\u94fe\u63a5\u8df3\u8f6c\uff09\u6216\u963b\u6b62\u4e8b\u4ef6\u7684\u4f20\u64ad\uff08\u4f8b\u5982\uff0c\u963b\u6b62\u4e8b\u4ef6\u7ee7\u7eed\u5192\u6ce1\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u963b\u6b62\u9ed8\u8ba4\u884c\u4e3a<\/strong>\uff1a\u4f7f\u7528 <code>event.preventDefault()<\/code> \u6765\u963b\u6b62\u4e8b\u4ef6\u7684\u9ed8\u8ba4\u884c\u4e3a\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>let form = document.querySelector(\"form\");\n\nform.addEventListener(\"submit\", function(event) {\n  event.preventDefault();  \/\/ \u963b\u6b62\u8868\u5355\u63d0\u4ea4\n  alert(\"Form submission prevented\");\n});<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u963b\u6b62\u4e8b\u4ef6\u4f20\u64ad<\/strong>\uff1a\u4f7f\u7528 <code>event.stopPropagation()<\/code> \u6765\u963b\u6b62\u4e8b\u4ef6\u4f20\u64ad\uff08\u5192\u6ce1\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>let div = document.querySelector(\"div\");\nlet button = document.querySelector(\"button\");\n\ndiv.addEventListener(\"click\", function() {\n  alert(\"Div clicked!\");\n});\n\nbutton.addEventListener(\"click\", function(event) {\n  event.stopPropagation();  \/\/ \u963b\u6b62\u4e8b\u4ef6\u5192\u6ce1\n  alert(\"Button clicked!\");\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\">7. <strong>\u603b\u7ed3<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>JavaScript \u4e8b\u4ef6\u662f\u7f51\u9875\u4e0e\u7528\u6237\u4ea4\u4e92\u7684\u6838\u5fc3\uff0c\u901a\u8fc7\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u53ef\u4ee5\u54cd\u5e94\u7528\u6237\u7684\u70b9\u51fb\u3001\u952e\u76d8\u8f93\u5165\u7b49\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u901a\u8fc7 <code>addEventListener()<\/code>\u3001<code>onclick<\/code> \u7b49\u65b9\u6cd5\u7ed1\u5b9a\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u4e8b\u4ef6\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e8b\u4ef6\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982\u89e6\u53d1\u5143\u7d20\u3001\u4e8b\u4ef6\u7c7b\u578b\u3001\u9f20\u6807\u4f4d\u7f6e\u7b49\u3002<\/li>\n\n\n\n<li>\u4e8b\u4ef6\u53ef\u4ee5\u5728\u5192\u6ce1\u548c\u6355\u83b7\u9636\u6bb5\u4f20\u64ad\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>stopPropagation()<\/code> \u548c <code>preventDefault()<\/code> \u6765\u63a7\u5236\u4e8b\u4ef6\u7684\u4f20\u64ad\u548c\u9ed8\u8ba4\u884c\u4e3a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 JavaScript \u4e2d\uff0c\u4e8b\u4ef6\uff08Event\uff09 \u662f\u6307\u7528\u6237\u4e0e\u7f51\u9875\u8fdb\u884c\u4ea4\u4e92\u65f6\u53d1\u751f\u7684\u5404\u79cd\u64cd\u4f5c\uff0c\u4f8b\u5982\u70b9\u51fb\u3001\u6309\u952e\u3001\u52a0\u8f7d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-2027","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2027","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=2027"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2027\/revisions"}],"predecessor-version":[{"id":2028,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2027\/revisions\/2028"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}