{"id":4000,"date":"2024-11-10T14:06:45","date_gmt":"2024-11-10T06:06:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4000\/"},"modified":"2024-11-10T14:06:45","modified_gmt":"2024-11-10T06:06:45","slug":"javascript-%e4%b8%ad-this-%e5%9c%a8%e5%b5%8c%e5%a5%97%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e6%8c%87%e5%90%91%e9%97%ae%e9%a2%98%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4000\/","title":{"rendered":"JavaScript \u4e2d this \u5728\u5d4c\u5957\u51fd\u6570\u4e2d\u7684\u6307\u5411\u95ee\u9898\uff1a\u4e3a\u4ec0\u4e48\u533f\u540d\u51fd\u6570\u4e2d\u7684 this \u6307\u5411 window\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173120977391696.jpg\" class=\"aligncenter\" title=\"JavaScript \u4e2d this \u5728\u5d4c\u5957\u51fd\u6570\u4e2d\u7684\u6307\u5411\u95ee\u9898\uff1a\u4e3a\u4ec0\u4e48\u533f\u540d\u51fd\u6570\u4e2d\u7684 this 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\u4e2d this \u5728\u5d4c\u5957\u51fd\u6570\u4e2d\u7684\u6307\u5411\u95ee\u9898\uff1a\u533f\u540d\u51fd\u6570\u4e2d\u7684 this \u6307\u5411 window\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>this\u95ee\u9898 \u5728JavaScript\u4e2d\uff0cthis\u5173\u952e\u5b57\u5f15\u7528\u5f53\u524d\u6267\u884c\u4ee3\u7801\u7684\u5bf9\u8c61\u3002\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570y()\u4f5c\u4e3a\u5bf9\u8c61obj\u7684\u65b9\u6cd5\u88ab\u8c03\u7528\u3002\u4f46\u662f\uff0c\u5728y()\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u7684\u533f\u540d\u51fd\u6570\u5728\u5168\u5c40\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\uff0c\u5bfc\u81f4this\u6307\u5411window\u5bf9\u8c61\u800c\u4e0d\u662fobj\u3002 \u7f51\u4e0a\u63d0\u4f9b\u4e86\u4e00\u4e9b\u89e3\u91ca\uff1a 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