{"id":3943,"date":"2024-11-10T11:52:20","date_gmt":"2024-11-10T03:52:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3943\/"},"modified":"2024-11-10T11:52:20","modified_gmt":"2024-11-10T03:52:20","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e5%bc%82%e6%ad%a5%e5%9b%9e%e8%b0%83%e4%b8%ad%e7%9a%84-this-%e6%8c%87%e5%90%91%e5%85%a8%e5%b1%80%e5%af%b9%e8%b1%a1-window-%e8%80%8c%e4%b8%8d%e6%98%af%e9%a2%84%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3943\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5f02\u6b65\u56de\u8c03\u4e2d\u7684 `this` \u6307\u5411\u5168\u5c40\u5bf9\u8c61 `window` \u800c\u4e0d\u662f\u9884\u671f\u5bf9\u8c61\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173119954098927.jpg\" class=\"aligncenter\" title=\"\u4e3a\u4ec0\u4e48\u5f02\u6b65\u56de\u8c03\u4e2d\u7684 `this` \u6307\u5411\u5168\u5c40\u5bf9\u8c61 `window` \u800c\u4e0d\u662f\u9884\u671f\u5bf9\u8c61\uff1f\u63d2\u56fe\" alt=\"\u4e3a\u4ec0\u4e48\u5f02\u6b65\u56de\u8c03\u4e2d\u7684 `this` \u6307\u5411\u5168\u5c40\u5bf9\u8c61 `window` \u800c\u4e0d\u662f\u9884\u671f\u5bf9\u8c61\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>this\u7591\u7aa6<\/strong><\/p>\n<p>\u5728\u4e00\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u770b\u5230\u5982\u4e0b\u60c5\u51b5\uff1a<\/p>\n<pre>var obj = {\n    x: 100,\n    y: function () {\n        setTimeout(function () { alert(this.x); 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