{"id":147,"date":"2018-09-01T21:10:44","date_gmt":"2018-09-01T13:10:44","guid":{"rendered":"https:\/\/blog.indeex.club\/?p=147"},"modified":"2020-06-20T23:11:20","modified_gmt":"2020-06-20T15:11:20","slug":"web%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/blog.indeex.club\/index.php\/2018\/09\/01\/web%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%9f%ba%e7%a1%80\/","title":{"rendered":"web\u6027\u80fd\u4f18\u5316\u57fa\u7840"},"content":{"rendered":"
\n

\u7f51\u9875\u6027\u80fd\u5bf9\u7f51\u7ad9\u81f3\u5173\u91cd\u8981\uff0c\u6bcf\u4e00\u4e2a\u7ec6\u8282\u90fd\u8981\u5904\u7406\u597d\u3002\u4e00\u4e2a\u5b8c\u6574\u7684\u8bf7\u6c42\u9700\u8981\u7ecf\u8fc7 DNS\u5bfb\u5740\u3001\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3001\u53d1\u9001\u6570\u636e\u3001\u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94\u3001\u63a5\u6536\u6570\u636e\u8fd9\u6837\u4e00\u4e2a \u201c\u6f2b\u957f\u201d \u800c\u590d\u6742\u7684\u8fc7\u7a0b\u3002<\/p>\n

\u8d44\u6e90\u538b\u7f29\u4e0e\u5408\u5e76<\/h3>\n

\u5bf9\u4e8ecss\u52a0\u8f7d\u7684\u56fe\u7247\u53ef\u4ee5\u91c7\u7528\u7eb9\u7406\u8d34\u56fe\u3002<\/p>\n

\u9488\u5bf9\u4ee3\u7801\u4f53\u79ef\u53ca\u6587\u4ef6\u52a0\u8f7d\uff0c\u53ef\u4ee5\u5229\u7528webpack<\/a> \u6a21\u5757\u5316\u6253\u5305\u5de5\u5177\u5206\u5757\u6253\u5305\u3001\u6309\u9700\u52a0\u8f7d\u4ee5\u53ca\u63d0\u53d6\u516c\u5171\u90e8\u5206\u4ee3\u7801\uff0c\u5229\u7528\u7f13\u5b58\u53ef\u4ee5\u5f97\u5230\u89e3\u51b3\u3002<\/p>\n

DNS\u9884\u89e3\u6790<\/h3>\n

\u4ece\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u7f51\u5740\u5230\u7f51\u9875\u6700\u7ec8\u5c55\u73b0\u5230\u7528\u6237\u9762\u524d\uff0c\u4e2d\u95f4\u7684\u5927\u81f4\u53d1\u751f\u4ee5\u4e0b\u51e0\u4e2a\u6d41\u7a0b\uff1a<\/p>\n

    \n
  1. \u53d1\u9001\u5230DNS\uff08\u57df\u540d\u670d\u52a1\u5668\uff09\u83b7\u5f97\u57df\u540d\u5bf9\u5e94\u7684WEB\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002<\/li>\n
  2. \u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e0eWEB\u670d\u52a1\u5668\u5efa\u7acbTCP\uff08\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff09\u8fde\u63a5\u3002<\/li>\n
  3. \u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u5411\u5bf9\u5e94IP\u5730\u5740\u7684WEB\u670d\u52a1\u5668\u53d1\u9001\u76f8\u5e94\u7684HTTP\u6216HTTPS\u8bf7\u6c42\u3002<\/li>\n
  4. WEB\u670d\u52a1\u5668\u54cd\u5e94\u8bf7\u6c42\uff0c\u8fd4\u56de\u6307\u5b9a\u7684URL\u6570\u636e\u6216\u9519\u8bef\u4fe1\u606f\uff1b\u5982\u679c\u8bbe\u5b9a\u91cd\u5b9a\u5411\uff0c\u5219\u91cd\u5b9a\u5411\u5230\u65b0\u7684URL\u5730\u5740\u3002<\/li>\n
  5. \u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e0b\u8f7d\u6570\u636e\uff0c\u89e3\u6790HTML\u6e90\u6587\u4ef6\uff0c\u89e3\u6790\u7684\u8fc7\u7a0b\u4e2d\u5b9e\u73b0\u5bf9\u9875\u9762\u7684\u6392\u7248\uff0c\u89e3\u6790\u5b8c\u6210\u540e\uff0c\u5728\u6d4f\u89c8\u5668\u4e2d\u663e\u793a\u57fa\u7840\u7684\u9875\u9762\u3002<\/li>\n
  6. \u5206\u6790\u9875\u9762\u4e2d\u7684\u8d85\u94fe\u63a5\uff0c\u663e\u793a\u5728\u5f53\u524d\u9875\u9762\uff0c\u91cd\u590d\u4ee5\u4e0a\u8fc7\u7a0b\u76f4\u81f3\u6ca1\u6709\u8d85\u94fe\u63a5\u9700\u8981\u53d1\u9001\uff0c\u5b8c\u6210\u9875\u9762\u7684\u5168\u90e8\u663e\u793a\u3002<\/li>\n
  7. DNS\u89e3\u6790\u65f6\u95f4\u53ef\u80fd\u5bfc\u81f4\u5927\u91cf\u7528\u6237\u611f\u77e5\u5ef6\u8fdf\uff0cDNS\u89e3\u6790\u6240\u9700\u7684\u65f6\u95f4\u5dee\u5f02\u975e\u5e38\u5927\uff0c\u5ef6\u8fdf\u8303\u56f4\u53ef\u4ee5\u4ece1ms\uff08\u672c\u5730\u7f13\u5b58\u7ed3\u679c\uff09\u5230\u666e\u904d\u7684\u51e0\u79d2\u949f\u65f6\u95f4\u3002<\/li>\n<\/ol>\n
    <link rel=\"dns-prefetch\" href=\"hostname\" \/>\n<\/code><\/pre>\n
    \u9884\u52a0\u8f7d<\/h3>\n
    \u9884\u52a0\u8f7d\u662f\u4e00\u79cd\u6d4f\u89c8\u5668\u673a\u5236\uff0c\u4f7f\u7528\u6d4f\u89c8\u5668\u7a7a\u95f2\u65f6\u95f4\u6765\u9884\u5148\u4e0b\u8f7d\/\u52a0\u8f7d\u7528\u6237\u63a5\u4e0b\u6765\u5f88\u53ef\u80fd\u4f1a\u6d4f\u89c8\u7684\u9875\u9762\/\u8d44\u6e90\u3002<\/p>\n
    \u9884\u52a0\u8f7d\u4f7f\u7528 \u6807\u7b7e\uff0c\u5e76\u6307\u5b9a rel=\u201dprefetch\u201d\u5c5e\u6027\uff0c\u800chref\u5c5e\u6027\u5c31\u662f\u9700\u8981\u9884\u52a0\u8f7d\u7684\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n
    <link rel=\"prefetch\" href=\"page2.html\" \/> \n<link rel=\"prefetch\" href=\"sprite.png\" \/>\n<\/code><\/pre>\n
    \u61d2\u52a0\u8f7d<\/h3>\n
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    function lazyload () {\n    var eles = document.querySelectorAll('img[data-original][lazyload]');\n    var viewHeight = window.innerHeight;\n    eles.forEach(function (item, index) {\n        var rect;\n        if (item.dataset.original === '') {\n            return;\n        }\n        rect = item.getBoundingClientRect();\n        if (rect.bottom >= 0 && rect.top < viewHeight) {\n            item.src = item.dataset.original;\n            item.removeAttribute('data-original');\n            item.removeAttribute('lazyload');\n        }\n    });\n}\n<\/code><\/pre>\n
    \u51cf\u5c11DOM\u7684\u64cd\u4f5c<\/h3>\n
    \u56e0\u4e3a\u6bcf\u6b21\u64cd\u4f5c\u90fd\u4f1a\u5bfc\u81f4\u6d4f\u89c8\u5668\u91cd\u6392\u548c\u91cd\u7ed8\uff0c\u56e0\u6b64\u5e94\u907f\u514d\u6216\u51cf\u5c11\uff1a<\/p>\n
      \n
    1. \u6539\u53d8\u5185\u5bb9<\/li>\n
    2. \u64cd\u4f5c\u5927\u91cf\u65e0\u5173\u5c5e\u6027<\/li>\n
    3. \u6539\u53d8DOM\u7ed3\u6784<\/li>\n
    4. \u6539\u53d8\u6d4f\u89c8\u5668\u5c3a\u5bf8<\/li>\n<\/ol>\n
      \u8bf7\u6c42\u6570<\/h3>\n
      \u57fa\u4e8e\u7aef\u53e3\u6570\u91cf\u548c\u7ebf\u7a0b\u5207\u6362\u5f00\u9500\u7684\u8003\u8651\uff0c\u6d4f\u89c8\u5668\u4e0d\u53ef\u80fd\u65e0\u9650\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42\uff0c\u56e0\u6b64\u884d\u751f\u51fa\u6765\u4e86\u5e76\u53d1\u9650\u5236\u3002\u6d4f\u89c8\u5668\u7684\u5e76\u53d1\u8bf7\u6c42\u6570\u76ee\u9650\u5236\u662f\u9488\u5bf9\u540c\u4e00\u57df\u540d\u7684\u3002\u56e0\u6b64\u9759\u6001\u8d44\u6e90\u53ef\u4ee5\u5f15\u7528\u4e0d\u540c\u57df\u540d\u4e0b\u7684\u8d44\u6e90\u6587\u4ef6\uff0c\u95f4\u63a5\u589e\u52a0\u6d4f\u89c8\u5668\u8bf7\u6c42\u8d44\u6e90\u7684\u5e76\u53d1\u6570\u3002<\/p>\n
      \u5176\u4ed6<\/h3>\n
      \u9519\u8bef\u9875\u9762<\/h5>\n
      \u5f53\u68c0\u6d4b\u5230http\u51fa\u9519\u65f6\uff0c\u5c3d\u91cf\u5f39\u51fa\u4e00\u4e2a\u8bbe\u8ba1\u8fc7\u7684\u9519\u8bef\u9875\u9762\uff0c\u8fd9\u8fdc\u6bd4\u9875\u9762\u4e00\u7247\u7a7a\u767d\u8981\u4f53\u9a8c\u53cb\u597d\u3002<\/p>\n
      \u7f51\u7edc\u68c0\u6d4b<\/h5>\n
      \u5728\u9519\u8bef\u9875\u9762\u505a\u4e00\u4e2a\u7f51\u7edc\u68c0\u6d4b\uff0c\u51fa\u4e00\u4e2a\u7f51\u7edc\u60c5\u51b5\u7684\u62a5\u544a\uff0c\u4e00\u6765\u53ef\u4ee5\u8ba9\u7528\u6237\u81ea\u5df1\u53d1\u73b0\u95ee\u9898\uff0c\u4e8c\u6765\u7528\u6237\u53ef\u4ee5\u76f4\u63a5\u628a\u8fd9\u4e2a\u62a5\u544a\u63d0\u4f9b\u7ed9\u5728\u7ebf\u5ba2\u670d\uff0c\u52a0\u901f\u95ee\u9898\u7684\u5b9a\u4f4d\uff0c\u5f53\u7136\u66f4\u91cd\u8981\u7684\u662f\u8ba9\u7528\u6237\u89c9\u5f97\u6211\u4eec\u5bf9\u8fd9\u4e2a\u95ee\u9898\u5f88\u91cd\u89c6\uff0c\u6211\u4eec\u5f88\u4e13\u4e1a\u3002<\/p>\n
      code enjoy! (^_\u2212)<\/p>\n
      \u4f5c\u8005\uff1aindeex<\/p>\n
      \u94fe\u63a5\uff1ahttp:\/\/indeex.cc<\/a><\/p>\n
      \u8457\u4f5c\u6743\u5f52\u4f5c\u8005\u6240\u6709\u3002\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u8054\u7cfb\u4f5c\u8005\u83b7\u5f97\u6388\u6743\uff0c\u975e\u5546\u4e1a\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\u3002<\/p>\n
      \n","protected":false},"excerpt":{"rendered":"
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