{"id":77,"date":"2026-06-15T01:18:00","date_gmt":"2026-06-14T17:18:00","guid":{"rendered":"https:\/\/yykcj.com\/?p=77"},"modified":"2026-06-15T01:18:00","modified_gmt":"2026-06-14T17:18:00","slug":"chrome-devtools-%e9%ab%98%e7%ba%a7%e8%b0%83%e8%af%95%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e7%b2%be%e9%80%9a","status":"publish","type":"post","link":"https:\/\/yykcj.com\/?p=77","title":{"rendered":"Chrome DevTools \u9ad8\u7ea7\u8c03\u8bd5\u6280\u5de7\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a"},"content":{"rendered":"

\u524d\u8a00<\/h2>\n

\u4f5c\u4e3a\u524d\u7aef\u5f00\u53d1\u8005\uff0cChrome DevTools \u662f\u6211\u4eec\u65e5\u5e38\u8c03\u8bd5\u7684\u5fc5\u5907\u5de5\u5177\u3002\u4f46\u5927\u591a\u6570\u5f00\u53d1\u8005\u53ea\u4f7f\u7528\u4e86\u5176 20% \u7684\u529f\u80fd\uff0c\u800c\u5ffd\u7565\u4e86\u90a3\u4e9b\u80fd\u5927\u5e45\u63d0\u5347\u8c03\u8bd5\u6548\u7387\u7684\u9ad8\u7ea7\u6280\u5de7\u3002\u672c\u6587\u5c06\u5e26\u4f60\u6df1\u5165\u63a2\u7d22 DevTools \u7684\u9690\u85cf\u80fd\u529b\uff0c\u4ece\u6761\u4ef6\u65ad\u70b9\u5230\u5f02\u6b65\u5806\u6808\uff0c\u4ece\u6027\u80fd\u5206\u6790\u5230\u5185\u5b58\u6cc4\u6f0f\u6392\u67e5\uff0c\u6bcf\u4e00\u6b65\u90fd\u6709\u771f\u5b9e\u6848\u4f8b\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u8ba9\u4f60\u771f\u6b63\u6210\u4e3a\u8c03\u8bd5\u9ad8\u624b\u3002<\/p>\n

1. \u6761\u4ef6\u65ad\u70b9\uff1a\u7cbe\u51c6\u5b9a\u4f4d\u95ee\u9898<\/h2>\n

\u666e\u901a\u65ad\u70b9\u4f1a\u5728\u6bcf\u6b21\u6267\u884c\u5230\u8be5\u884c\u65f6\u6682\u505c\uff0c\u800c\u6761\u4ef6\u65ad\u70b9\u53ea\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u6682\u505c\uff0c\u907f\u514d\u9891\u7e41\u4e2d\u65ad\u3002<\/p>\n

\u4f7f\u7528\u573a\u666f<\/h3>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5217\u8868\u6e32\u67d3\u51fd\u6570\uff0c\u4f46\u6000\u7591\u67d0\u4e2a\u7279\u5b9a id \u7684\u5143\u7d20\u6e32\u67d3\u5f02\u5e38\u3002<\/p>\n

\nfunction renderItem(item) {\n    \/\/ \u5047\u8bbe item.id \u4e3a 10086 \u65f6\u51fa\u73b0 bug\n    const element = document.createElement('div');\n    element.textContent = item.name;\n    \/\/ \u6b64\u5904\u8bbe\u7f6e\u6761\u4ef6\u65ad\u70b9\n    document.body.appendChild(element);\n}\n\nconst items = Array.from({ length: 100 }, (_, i) => ({ id: i, name: `Item ${i}` }));\nitems.forEach(renderItem);\n<\/code><\/pre>\n
\u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
    \n
  1. \u5728 renderItem<\/code> \u51fd\u6570\u5185\u7684\u4efb\u610f\u884c\u8bbe\u7f6e\u65ad\u70b9\uff08\u70b9\u51fb\u884c\u53f7\uff09\u3002<\/li>\n
  2. \u53f3\u952e\u70b9\u51fb\u65ad\u70b9\u6807\u8bb0\uff0c\u9009\u62e9\u201cEdit breakpoint…\u201d\u3002<\/li>\n
  3. \u5728\u5f39\u51fa\u7684\u8f93\u5165\u6846\u4e2d\u8f93\u5165\u6761\u4ef6\uff0c\u4f8b\u5982\uff1aitem.id === 10086<\/code>\u3002<\/li>\n
  4. \u6309 Enter \u786e\u8ba4\u3002<\/li>\n<\/ol>\n
    \u73b0\u5728\uff0c\u53ea\u6709\u5f53 item.id<\/code> \u4e3a 10086 \u65f6\uff0c\u4ee3\u7801\u624d\u4f1a\u6682\u505c\uff0c\u6781\u5927\u51cf\u5c11\u4e86\u8c03\u8bd5\u5e72\u6270\u3002<\/p>\n
    > \ud83d\udca1 \u6761\u4ef6\u65ad\u70b9\u652f\u6301\u4efb\u610f JavaScript \u8868\u8fbe\u5f0f\uff0c\u751a\u81f3\u53ef\u4ee5\u4f7f\u7528\u5f53\u524d\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\u3002<\/p>\n
    2. \u65e5\u5fd7\u70b9\uff1a\u65e0\u9700 console.log \u7684\u6253\u5370\u6280\u5de7<\/h2>\n
    \u65e5\u5fd7\u70b9\uff08Logpoint\uff09\u662f DevTools \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u6307\u5b9a\u4fe1\u606f\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u4e14\u4e0d\u4f1a\u4e2d\u65ad\u7a0b\u5e8f\u6267\u884c\u3002<\/p>\n
    \u4f7f\u7528\u573a\u666f<\/h3>\n
    \u5f53\u4f60\u9700\u8981\u9891\u7e41\u67e5\u770b\u67d0\u4e2a\u53d8\u91cf\u7684\u503c\uff0c\u4f46\u53c8\u4e0d\u60f3\u6c61\u67d3\u4ee3\u7801\u65f6\u3002<\/p>\n
    \nfunction calculateTotal(price, quantity) {\n    const discount = 0.9;\n    const subtotal = price * quantity;\n    const total = subtotal * discount;\n    return total;\n}\n\nconst result = calculateTotal(100, 3);\nconsole.log(result);\n<\/code><\/pre>\n
    \u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
      \n
    1. \u5728 calculateTotal<\/code> \u51fd\u6570\u5185\u4efb\u610f\u884c\u8bbe\u7f6e\u65ad\u70b9\u3002<\/li>\n
    2. \u53f3\u952e\u70b9\u51fb\u65ad\u70b9\uff0c\u9009\u62e9\u201cEdit breakpoint…\u201d\u3002<\/li>\n
    3. \u5728\u5f39\u51fa\u7684\u8f93\u5165\u6846\u4e2d\uff0c\u52fe\u9009\u201cLog\u201d\u9009\u9879\uff0c\u5e76\u8f93\u5165\u8981\u6253\u5370\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a'subtotal:', subtotal, 'total:', total<\/code>\u3002<\/li>\n
    4. \u6309 Enter \u786e\u8ba4\u3002<\/li>\n<\/ol>\n
      \u73b0\u5728\uff0c\u6bcf\u6b21\u6267\u884c\u5230\u8be5\u884c\u65f6\uff0c\u63a7\u5236\u53f0\u4f1a\u81ea\u52a8\u8f93\u51fa\u65e5\u5fd7\uff0c\u800c\u65e0\u9700\u5199 console.log<\/code>\u3002<\/p>\n
      > \ud83d\udca1 \u65e5\u5fd7\u70b9\u4e0d\u4f1a\u6682\u505c\u7a0b\u5e8f\uff0c\u975e\u5e38\u9002\u5408\u5728\u5faa\u73af\u4e2d\u6253\u5370\u4fe1\u606f\u3002<\/p>\n
      3. \u5f02\u6b65\u5806\u6808\u8ffd\u8e2a\uff1a\u770b\u6e05\u5f02\u6b65\u8c03\u7528\u94fe<\/h2>\n
      \u5728\u73b0\u4ee3 JavaScript \u4e2d\uff0c\u5f02\u6b65\u64cd\u4f5c\u975e\u5e38\u666e\u904d\uff0c\u4f46\u9519\u8bef\u5806\u6808\u5f80\u5f80\u4e0d\u5b8c\u6574\u3002DevTools \u652f\u6301\u5f02\u6b65\u5806\u6808\u8ffd\u8e2a\uff0c\u8ba9\u4f60\u770b\u6e05\u5b8c\u6574\u7684\u8c03\u7528\u94fe\u3002<\/p>\n
      \u4f7f\u7528\u573a\u666f<\/h3>\n
      \u8c03\u8bd5 Promise \u94fe\u6216 async\/await \u4ee3\u7801\u65f6\u3002<\/p>\n
      \nfunction fetchData(url) {\n    return fetch(url).then(response => response.json());\n}\n\nfunction processData() {\n    return fetchData('https:\/\/api.example.com\/data')\n        .then(data => {\n            \/\/ \u6545\u610f\u5236\u9020\u9519\u8bef\n            throw new Error('Data processing failed');\n        });\n}\n\nprocessData().catch(err => console.error(err));\n<\/code><\/pre>\n
      \u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
        \n
      1. \u5728 Sources \u9762\u677f\u4e2d\u6253\u5f00\u4ee3\u7801\u6587\u4ef6\u3002<\/li>\n
      2. \u5728 processData<\/code> \u7684 .then<\/code> \u56de\u8c03\u4e2d\u8bbe\u7f6e\u65ad\u70b9\u3002<\/li>\n
      3. \u5f53\u4ee3\u7801\u6682\u505c\u65f6\uff0c\u67e5\u770b Call Stack \u9762\u677f\u3002<\/li>\n
      4. \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDevTools \u4f1a\u663e\u793a\u5f02\u6b65\u5e27\uff0c\u5e76\u6807\u8bb0\u4e3a\u7070\u8272\u3002\u4f60\u53ef\u4ee5\u5c55\u5f00\u5b83\u4eec\u67e5\u770b\u5b8c\u6574\u7684\u5f02\u6b65\u8c03\u7528\u94fe\u3002<\/li>\n<\/ol>\n
        > \ud83d\udca1 \u786e\u4fdd\u5728 DevTools \u8bbe\u7f6e\u4e2d\u542f\u7528\u4e86\u201cAsync stack traces\u201d\u9009\u9879\uff08\u9ed8\u8ba4\u5f00\u542f\uff09\u3002<\/p>\n
        4. \u6027\u80fd\u5206\u6790\uff1a\u8bc6\u522b\u6027\u80fd\u74f6\u9888<\/h2>\n
        Performance \u9762\u677f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u8bb0\u5f55\u548c\u5206\u6790\u9875\u9762\u8fd0\u884c\u65f6\u7684\u6027\u80fd\uff0c\u627e\u51fa\u5bfc\u81f4\u5361\u987f\u7684\u4ee3\u7801\u3002<\/p>\n
        \u4f7f\u7528\u573a\u666f<\/h3>\n
        \u9875\u9762\u6eda\u52a8\u65f6\u51fa\u73b0\u5361\u987f\uff0c\u9700\u8981\u627e\u51fa\u662f\u54ea\u4e2a\u51fd\u6570\u8017\u65f6\u8fc7\u957f\u3002<\/p>\n
        \nfunction heavyComputation() {\n    let sum = 0;\n    for (let i = 0; i < 1000000; i++) {\n        sum += Math.sqrt(i);\n    }\n    return sum;\n}\n\nfunction onScroll() {\n    heavyComputation();\n}\n\nwindow.addEventListener('scroll', onScroll);\n<\/code><\/pre>\n
        \u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
          \n
        1. \u6253\u5f00 Performance \u9762\u677f\u3002<\/li>\n
        2. \u70b9\u51fb\u201cRecord\u201d\u6309\u94ae\uff08\u5706\u5708\uff09\uff0c\u5f00\u59cb\u8bb0\u5f55\u3002<\/li>\n
        3. \u5728\u9875\u9762\u4e0a\u8fdb\u884c\u6eda\u52a8\u64cd\u4f5c\u3002<\/li>\n
        4. \u70b9\u51fb\u201cStop\u201d\u6309\u94ae\uff0c\u505c\u6b62\u8bb0\u5f55\u3002<\/li>\n
        5. \u5728\u751f\u6210\u7684\u706b\u7130\u56fe\u4e2d\uff0c\u67e5\u627e\u8017\u65f6\u8f83\u957f\u7684\u51fd\u6570\u8c03\u7528\u3002\u901a\u5e38\uff0c\u957f\u6761\u8868\u793a\u8017\u65f6\u64cd\u4f5c\u3002<\/li>\n
        6. \u70b9\u51fb\u67d0\u4e2a\u51fd\u6570\u8c03\u7528\uff0c\u53ef\u4ee5\u5728\u5e95\u90e8\u7684 Summary \u9762\u677f\u4e2d\u67e5\u770b\u8be6\u7ec6\u4fe1\u606f\uff0c\u5305\u62ec\u5176\u81ea\u8eab\u8017\u65f6\u548c\u8c03\u7528\u5806\u6808\u3002<\/li>\n<\/ol>\n
          > \ud83d\udca1 \u4f7f\u7528\u201cCall Tree\u201d\u89c6\u56fe\u53ef\u4ee5\u6309\u51fd\u6570\u8c03\u7528\u6b21\u6570\u548c\u8017\u65f6\u6392\u5e8f\uff0c\u5feb\u901f\u5b9a\u4f4d\u6027\u80fd\u70ed\u70b9\u3002<\/p>\n
          5. \u5185\u5b58\u6cc4\u6f0f\u6392\u67e5\uff1a\u4f7f\u7528 Heap Snapshot<\/h2>\n
          \u5185\u5b58\u6cc4\u6f0f\u4f1a\u5bfc\u81f4\u9875\u9762\u9010\u6e10\u53d8\u6162\uff0c\u751a\u81f3\u5d29\u6e83\u3002Heap Snapshot \u53ef\u4ee5\u5e2e\u52a9\u4f60\u5206\u6790\u5185\u5b58\u4e2d\u5bf9\u8c61\u7684\u5f15\u7528\u60c5\u51b5\u3002<\/p>\n
          \u4f7f\u7528\u573a\u666f<\/h3>\n
          \u6000\u7591\u67d0\u4e2a\u4e8b\u4ef6\u76d1\u542c\u5668\u5bfc\u81f4 DOM \u8282\u70b9\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\u3002<\/p>\n
          \nclass LeakyComponent {\n    constructor() {\n        this.element = document.createElement('div');\n        document.body.appendChild(this.element);\n        this.element.addEventListener('click', this.onClick);\n    }\n    onClick() {\n        console.log('clicked');\n    }\n    destroy() {\n        this.element.remove();\n        \/\/ \u5fd8\u8bb0\u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5bfc\u81f4 this \u88ab\u5f15\u7528\n    }\n}\n\nlet component = new LeakyComponent();\n\/\/ \u6a21\u62df\u9500\u6bc1\ncomponent.destroy();\ncomponent = null;\n<\/code><\/pre>\n
          \u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
            \n
          1. \u6253\u5f00 Memory \u9762\u677f\u3002<\/li>\n
          2. \u9009\u62e9\u201cHeap snapshot\u201d\u5e76\u70b9\u51fb\u201cTake snapshot\u201d\u3002<\/li>\n
          3. \u5728\u9875\u9762\u4e0a\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff08\u4f8b\u5982\u70b9\u51fb\u6309\u94ae\u521b\u5efa\u548c\u9500\u6bc1\u7ec4\u4ef6\uff09\u3002<\/li>\n
          4. \u518d\u6b21\u62cd\u6444\u5806\u5feb\u7167\u3002<\/li>\n
          5. \u5728\u201cSummary\u201d\u89c6\u56fe\u4e2d\uff0c\u9009\u62e9\u201cComparison\u201d\u6a21\u5f0f\uff0c\u67e5\u770b\u4e24\u6b21\u5feb\u7167\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/li>\n
          6. \u67e5\u627e\u65b0\u589e\u7684\u5bf9\u8c61\u4e2d\u662f\u5426\u6709\u4e0d\u5e94\u8be5\u5b58\u5728\u7684\u5bf9\u8c61\uff08\u5982\u88ab\u6cc4\u9732\u7684 DOM \u5143\u7d20\uff09\u3002<\/li>\n
          7. \u70b9\u51fb\u5bf9\u8c61\uff0c\u67e5\u770b\u5176\u5f15\u7528\u94fe\uff0c\u627e\u51fa\u963b\u6b62\u5783\u573e\u56de\u6536\u7684\u6839\u5f15\u7528\u3002<\/li>\n<\/ol>\n
            > \ud83d\udca1 \u4f7f\u7528\u201cRetainers\u201d\u89c6\u56fe\u53ef\u4ee5\u76f4\u89c2\u5c55\u793a\u5bf9\u8c61\u4e4b\u95f4\u7684\u5f15\u7528\u5173\u7cfb\u3002<\/p>\n
            6. \u8986\u76d6\u5185\u5bb9\uff1a\u6a21\u62df\u7f51\u7edc\u6761\u4ef6<\/h2>\n
            Network \u9762\u677f\u7684\u8986\u76d6\u529f\u80fd\u53ef\u4ee5\u8ba9\u4f60\u6a21\u62df\u6162\u901f\u7f51\u7edc\u6216\u79bb\u7ebf\u72b6\u6001\uff0c\u6d4b\u8bd5\u5e94\u7528\u7684\u5bb9\u9519\u80fd\u529b\u3002<\/p>\n
            \u4f7f\u7528\u573a\u666f<\/h3>\n
            \u6d4b\u8bd5\u5e94\u7528\u5728\u5f31\u7f51\u4e0b\u7684\u52a0\u8f7d\u884c\u4e3a\u3002<\/p>\n
            \u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
              \n
            1. \u6253\u5f00 Network \u9762\u677f\u3002<\/li>\n
            2. \u52fe\u9009\u201cDisable cache\u201d\u4ee5\u7981\u7528\u7f13\u5b58\u3002<\/li>\n
            3. \u5728\u201cThrottling\u201d\u4e0b\u62c9\u83dc\u5355\u4e2d\u9009\u62e9\u9884\u8bbe\u7684\u7f51\u7edc\u6761\u4ef6\uff08\u5982\u201cSlow 3G\u201d\uff09\u3002<\/li>\n
            4. \u5237\u65b0\u9875\u9762\uff0c\u89c2\u5bdf\u8d44\u6e90\u52a0\u8f7d\u65f6\u95f4\u548c\u9875\u9762\u6e32\u67d3\u60c5\u51b5\u3002<\/li>\n
            5. \u4f60\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7f51\u7edc\u6761\u4ef6\uff1a\u70b9\u51fb\u201cAdd\u201d\u6309\u94ae\uff0c\u8bbe\u7f6e\u4e0b\u8f7d\u901f\u5ea6\u3001\u4e0a\u4f20\u901f\u5ea6\u548c\u5ef6\u8fdf\u3002<\/li>\n<\/ol>\n
              > \ud83d\udca1 \u7ed3\u5408\u201cCapture screenshots\u201d\u529f\u80fd\uff0c\u53ef\u4ee5\u76f4\u89c2\u770b\u5230\u9875\u9762\u5728\u4e0d\u540c\u7f51\u7edc\u6761\u4ef6\u4e0b\u7684\u6e32\u67d3\u8fc7\u7a0b\u3002<\/p>\n
              7. \u5b9e\u65f6\u8868\u8fbe\u5f0f\uff1a\u76d1\u63a7\u53d8\u91cf\u53d8\u5316<\/h2>\n
              Live Expression \u5141\u8bb8\u4f60\u5728\u63a7\u5236\u53f0\u4e2d\u6301\u7eed\u76d1\u63a7\u67d0\u4e2a\u8868\u8fbe\u5f0f\u7684\u503c\uff0c\u65e0\u9700\u624b\u52a8\u91cd\u65b0\u8ba1\u7b97\u3002<\/p>\n
              \u4f7f\u7528\u573a\u666f<\/h3>\n
              \u8ddf\u8e2a\u4e00\u4e2a\u968f\u65f6\u95f4\u53d8\u5316\u7684\u53d8\u91cf\u3002<\/p>\n
              \nlet counter = 0;\nsetInterval(() => {\n    counter++;\n    document.getElementById('counter').textContent = counter;\n}, 1000);\n<\/code><\/pre>\n
              \u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
                \n
              1. \u6253\u5f00 Console \u9762\u677f\u3002<\/li>\n
              2. \u70b9\u51fb\u201cCreate live expression\u201d\u6309\u94ae\uff08\u773c\u775b\u56fe\u6807\uff09\u3002<\/li>\n
              3. \u5728\u8f93\u5165\u6846\u4e2d\u8f93\u5165\u8868\u8fbe\u5f0f\uff0c\u4f8b\u5982 counter<\/code>\u3002<\/li>\n
              4. \u8868\u8fbe\u5f0f\u7684\u503c\u4f1a\u5b9e\u65f6\u66f4\u65b0\uff0c\u663e\u793a\u5728\u63a7\u5236\u53f0\u9876\u90e8\u3002<\/li>\n<\/ol>\n
                > \ud83d\udca1 \u4f60\u53ef\u4ee5\u540c\u65f6\u521b\u5efa\u591a\u4e2a\u5b9e\u65f6\u8868\u8fbe\u5f0f\uff0c\u76d1\u63a7\u591a\u4e2a\u53d8\u91cf\u3002<\/p>\n
                \u603b\u7ed3<\/h2>\n
                \u672c\u6587\u4ecb\u7ecd\u4e86 Chrome DevTools \u4e2d 7 \u4e2a\u9ad8\u7ea7\u8c03\u8bd5\u6280\u5de7\uff0c\u4ece\u6761\u4ef6\u65ad\u70b9\u5230\u5b9e\u65f6\u8868\u8fbe\u5f0f\uff0c\u6bcf\u4e00\u4e2a\u90fd\u80fd\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u63d0\u5347\u6548\u7387\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u4f60\u5c06\u4e0d\u518d\u53ea\u662f\u7b80\u5355\u5730\u8bbe\u7f6e\u65ad\u70b9\u548c\u6253\u5370\u65e5\u5fd7\uff0c\u800c\u662f\u80fd\u591f\u6df1\u5165\u5206\u6790\u6027\u80fd\u3001\u5185\u5b58\u548c\u7f51\u7edc\u95ee\u9898\u3002<\/p>\n
                \u4e0b\u4e00\u6b65<\/h3>\n
                  \n
                • \u5c1d\u8bd5\u5c06\u6761\u4ef6\u65ad\u70b9\u548c\u65e5\u5fd7\u70b9\u7ed3\u5408\u4f7f\u7528\uff0c\u5728\u590d\u6742\u5faa\u73af\u4e2d\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002<\/li>\n
                • \u4f7f\u7528 Performance \u9762\u677f\u5b9a\u671f\u5206\u6790\u5e94\u7528\u7684\u6027\u80fd\uff0c\u9884\u9632\u5361\u987f\u3002<\/li>\n
                • \u6df1\u5165\u5b66\u4e60 Memory \u9762\u677f\uff0c\u638c\u63e1\u5185\u5b58\u6cc4\u6f0f\u7684\u6392\u67e5\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
                  \u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u4f60\u6210\u4e3a\u66f4\u9ad8\u6548\u7684\u5f00\u53d1\u8005\u3002\u5982\u679c\u4f60\u6709\u5176\u4ed6\u9ad8\u7ea7\u6280\u5de7\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u5206\u4eab\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                  \u672c\u6587\u6df1\u5165\u63a2\u8ba8 Chrome DevTools \u7684\u9ad8\u7ea7\u8c03\u8bd5\u6280\u5de7\uff0c\u5305\u62ec\u6761\u4ef6\u65ad\u70b9\u3001\u65e5\u5fd7\u70b9\u3001\u5f02\u6b65\u5806\u6808\u8ffd\u8e2a\u3001\u6027\u80fd\u5206\u6790\u7b49\uff0c\u5e2e\u52a9\u524d\u7aef\u5f00\u53d1\u8005\u9ad8\u6548\u5b9a\u4f4d\u95ee\u9898\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[34,37,8,36,6,35],"class_list":["post-77","post","type-post","status-publish","format-standard","hentry","category-3","category-4","tag-chrome-devtools","tag-javascript","tag-8","tag-36","tag-6","tag-35"],"_links":{"self":[{"href":"https:\/\/yykcj.com\/index.php?rest_route=\/wp\/v2\/posts\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yykcj.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yykcj.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yykcj.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yykcj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=77"}],"version-history":[{"count":0,"href":"https:\/\/yykcj.com\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions"}],"wp:attachment":[{"href":"https:\/\/yykcj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yykcj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yykcj.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}