{"id":4141,"date":"2024-11-10T12:57:23","date_gmt":"2024-11-10T04:57:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4141\/"},"modified":"2024-11-10T12:57:23","modified_gmt":"2024-11-10T04:57:23","slug":"%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84this%e6%8c%87%e5%90%91%e8%b0%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4141\/","title":{"rendered":"\u533f\u540d\u51fd\u6570\u4e2d\u7684this\u6307\u5411\u8c01\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173123137295842.jpg\" class=\"aligncenter\" title=\"\u533f\u540d\u51fd\u6570\u4e2d\u7684this\u6307\u5411\u8c01\uff1f\u63d2\u56fe\" alt=\"\u533f\u540d\u51fd\u6570\u4e2d\u7684this\u6307\u5411\u8c01\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>this\u5173\u952e\u5b57\u4e0e\u533f\u540d\u51fd\u6570\u6267\u884c\u73af\u5883<\/strong><\/p>\n<p>\u5728\u6d4f\u89c8\u5668\u7684\u6267\u884c\u73af\u5883\u4e2d\uff0cthis\u5173\u952e\u5b57\u6307\u5411\u5f53\u524d\u6267\u884c\u4ee3\u7801\u7684\u4e0a\u4e0b\u6587\u5bf9\u8c61\u3002\u5728\u4e25\u683c\u6a21\u5f0f\u4e0b\uff0c\u533f\u540d\u51fd\u6570\u6ca1\u6709\u5b9a\u4e49\u81ea\u5df1\u7684this\u503c\uff0c\u56e0\u6b64this\u5c06\u6307\u5411undefined\u3002\u7136\u800c\uff0c\u5728\u975e\u4e25\u683c\u6a21\u5f0f\u4e0b\uff0c\u533f\u540d\u51fd\u6570\u7684this\u4f1a\u6307\u5411window\u5bf9\u8c61\u3002<\/p>\n<p>\u5728\u793a\u4f8b\u4e2d\uff0csettimeout(function() { alert(this.x); 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