\u4e0a\u6b21\u8bb2\u4e86Javascript\u7684\u51fd\u6570\uff0c\u8fd9\u6b21\u63a2\u8ba8\u4e00\u4e0b\u5bf9\u8c61\uff0c\u5148\u6765\u8bf4\u8bf4\u51fd\u6570\u7684\u5bf9\u8c61\u5316\u80fd\u529b\u3002<\/p>\n
\u4efb\u4f55\u4e00\u4e2a\u51fd\u6570\u90fd\u53ef\u4ee5\u4e3a\u5176\u52a8\u6001\u5730\u6dfb\u52a0\u6216\u53bb\u9664\u5c5e\u6027\uff0c\u8fd9\u4e9b\u5c5e\u6027\u53ef\u4ee5\u662f\u7b80\u5355\u7c7b\u578b\uff0c\u53ef\u4ee5\u662f\u5bf9\u8c61\uff0c\u4e5f\u53ef\u4ee5\u662f\u5176\u4ed6\u51fd\u6570\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u51fd\u6570\u5177\u6709\u5bf9\u8c61\u7684\u5168\u90e8\u7279\u5f81\uff0c\u4f60\u5b8c\u5168\u53ef\u4ee5\u628a\u51fd\u6570\u5f53\u5bf9\u8c61\u6765\u7528\u3002\u5176\u5b9e\uff0c\u51fd\u6570\u5c31\u662f\u5bf9\u8c61\uff0c\u53ea\u4e0d\u8fc7\u6bd4\u4e00\u822c\u7684\u5bf9\u8c61\u591a\u4e86\u4e00\u4e2a\u62ec\u53f7\u201c()\u201d\u64cd\u4f5c\u7b26\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u7b26\u7528\u6765\u6267\u884c\u51fd\u6570\u7684\u903b\u8f91\u3002\u5373\uff0c\u51fd\u6570\u672c\u8eab\u8fd8\u53ef\u4ee5\u88ab\u8c03\u7528\uff0c\u4e00\u822c\u5bf9\u8c61\u5374\u4e0d\u53ef\u4ee5\u88ab\u8c03\u7528\uff0c\u9664\u6b64\u4e4b\u5916\u5b8c\u5168\u76f8\u540c\u3002\u8bf7\u770b\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n
<script>\n function Sing() {\n with(arguments.callee) alert(author + \"\uff1a\" + poem);\n };\n Sing.author = \"\u674e\u767d\";\n Sing.poem = \"\u6c49\u5bb6\u79e6\u5730\u6708\uff0c\u6d41\u5f71\u7167\u660e\u5983\u3002\u4e00\u4e0a\u7389\u5173\u9053\uff0c\u5929\u6daf\u53bb\u4e0d\u5f52\";\n Sing();\n Sing.author = \"\u674e\u6218\";\n Sing.poem = \"\u65e5\u51fa\u6c49\u5bb6\u5929\uff0c\u6708\u843d\u9634\u5c71\u524d\u3002\u5973\u513f\u7435\u7436\u6028\uff0c\u5df2\u5531\u4e09\u5343\u5e74\";\n Sing();\n<\/script>\n<\/code><\/pre>\n\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cSing\u51fd\u6570\u88ab\u5b9a\u4e49\u540e\uff0c\u53c8\u7ed9Sing\u51fd\u6570\u52a8\u6001\u5730\u589e\u52a0\u4e86author\u548cpoem\u5c5e\u6027\u3002\u5c06author\u548cpoem\u5c5e\u6027\u8bbe\u4e3a\u4e0d\u540c\u7684\u4f5c\u8005\u548c\u8bd7\u53e5\uff0c\u5728\u8c03\u7528Sing()\u65f6\u5c31\u80fd\u663e\u793a\u51fa\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u8fd9\u4e2a\u793a\u4f8b\u7528\u4e00\u79cd\u8bd7\u60c5\u753b\u610f\u7684\u65b9\u5f0f\uff0c\u8ba9\u6211\u4eec\u7406\u89e3\u4e86JavaScript\u51fd\u6570\u5c31\u662f\u5bf9\u8c61\u7684\u672c\u8d28\uff0c\u4e5f\u611f\u53d7\u5230\u4e86JavaScript\u8bed\u8a00\u7684\u4f18\u7f8e\u3002<\/p>\n
\u597d\u4e86\uff0c\u4ee5\u4e0a\u7684\u8bb2\u8ff0\uff0c\u6211\u4eec\u5e94\u8be5\u7b97\u7406\u89e3\u4e86function\u7c7b\u578b\u7684\u4e1c\u897f\u90fd\u662f\u548cobject\u7c7b\u578b\u4e00\u6837\u7684\u4e1c\u897f\uff0c\u8fd9\u79cd\u4e1c\u897f\u88ab\u6211\u4eec\u79f0\u4e3a\u201c\u5bf9\u8c61\u201d\u3002\u6211\u4eec\u7684\u786e\u53ef\u4ee5\u8fd9\u6837\u53bb\u770b\u5f85\u8fd9\u4e9b\u201c\u5bf9\u8c61\u201d\uff0c\u56e0\u4e3a\u5b83\u4eec\u65e2\u6709\u201c\u5c5e\u6027\u201d\u4e5f\u6709\u201c\u65b9\u6cd5\u201d\u561b\u3002\u4f46\u4e0b\u9762\u7684\u4ee3\u7801\u53c8\u4f1a\u8ba9\u6211\u4eec\u4ea7\u751f\u65b0\u7684\u7591\u60d1\uff1a<\/p>\n
<script>\n var anObject = {}; \/\/\u4e00\u4e2a\u5bf9\u8c61 \n anObject.aProperty = \"Property of object\"; \/\/\u5bf9\u8c61\u7684\u4e00\u4e2a\u5c5e\u6027\n anObject.aMethod = function() {\n alert(\"Method of object\")\n }; \/\/\u5bf9\u8c61\u7684\u4e00\u4e2a\u65b9\u6cd5 \/\/\u4e3b\u8981\u770b\u4e0b\u9762\uff1a \n alert(anObject[\"aProperty\"]); \/\/\u53ef\u4ee5\u5c06\u5bf9\u8c61\u5f53\u6570\u7ec4\u4ee5\u5c5e\u6027\u540d\u4f5c\u4e3a\u4e0b\u6807\u6765\u8bbf\u95ee\u5c5e\u6027 \n anObject[\"aMethod\"](); \/\/\u53ef\u4ee5\u5c06\u5bf9\u8c61\u5f53\u6570\u7ec4\u4ee5\u65b9\u6cd5\u540d\u4f5c\u4e3a\u4e0b\u6807\u6765\u8c03\u7528\u65b9\u6cd5 \n for(var s in anObject) \/\/\u904d\u5386\u5bf9\u8c61\u7684\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u8fdb\u884c\u8fed\u4ee3\u5316\u5904\u7406 \n alert(s + \" is a \" + typeof(anObject[s]));\n \u540c\u6837\u5bf9\u4e8efunction\u7c7b\u578b\u7684\u5bf9\u8c61\u4e5f\u662f\u4e00\u6837\uff1a\n var aFunction = function() {}; \/\/\u4e00\u4e2a\u51fd\u6570 \n aFunction.aProperty = \"Property of function\"; \/\/\u51fd\u6570\u7684\u4e00\u4e2a\u5c5e\u6027 \n aFunction.aMethod = function() {\n alert(\"Method of function\")\n }; \/\/\u51fd\u6570\u7684\u4e00\u4e2a\u65b9\u6cd5 \/\/\u4e3b\u8981\u770b\u4e0b\u9762\uff1a \n alert(aFunction[\"aProperty\"]); \/\/\u53ef\u4ee5\u5c06\u51fd\u6570\u5f53\u6570\u7ec4\u4ee5\u5c5e\u6027\u540d\u4f5c\u4e3a\u4e0b\u6807\u6765\u8bbf\u95ee\u5c5e\u6027 \n aFunction[\"aMethod\"](); \/\/\u53ef\u4ee5\u5c06\u51fd\u6570\u5f53\u6570\u7ec4\u4ee5\u65b9\u6cd5\u540d\u4f5c\u4e3a\u4e0b\u6807\u6765\u8c03\u7528\u65b9\u6cd5 \n for(var s in aFunction) \/\/\u904d\u5386\u51fd\u6570\u7684\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u8fdb\u884c\u8fed\u4ee3\u5316\u5904\u7406 \n alert(s + \" is a \" + typeof(aFunction[s]));\n<\/script>\n<\/code><\/pre>\n\u662f\u7684\uff0c\u5bf9\u8c61\u548c\u51fd\u6570\u53ef\u4ee5\u8c61\u6570\u7ec4\u4e00\u6837\uff0c\u7528\u5c5e\u6027\u540d\u6216\u65b9\u6cd5\u540d\u4f5c\u4e3a\u4e0b\u6807\u6765\u8bbf\u95ee\u5e76\u5904\u7406\u3002\u90a3\u4e48\uff0c\u5b83\u5230\u5e95\u5e94\u8be5\u7b97\u662f\u6570\u7ec4\u5462\uff0c\u8fd8\u662f\u7b97\u5bf9\u8c61\uff1f<\/p>\n
\u6211\u4eec\u77e5\u9053\uff0c\u6570\u7ec4\u5e94\u8be5\u7b97\u662f\u7ebf\u6027\u6570\u636e\u7ed3\u6784\uff0c\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u4e00\u822c\u6709\u4e00\u5b9a\u7684\u89c4\u5f8b\uff0c\u9002\u5408\u8fdb\u884c\u7edf\u4e00\u7684\u6279\u91cf\u8fed\u4ee3\u64cd\u4f5c\u7b49\uff0c\u6709\u70b9\u50cf\u6ce2\u3002\u800c\u5bf9\u8c61\u662f\u79bb\u6563\u6570\u636e\u7ed3\u6784\uff0c\u9002\u5408\u63cf\u8ff0\u5206\u6563\u7684\u548c\u4e2a\u6027\u5316\u7684\u4e1c\u897f\uff0c\u6709\u70b9\u50cf\u7c92\u5b50\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u8fd9\u6837\u95ee\uff1aJavaScript\u91cc\u7684\u5bf9\u8c61\u5230\u5e95\u662f\u6ce2\u8fd8\u662f\u7c92\u5b50\uff1f<\/p>\n
\u5982\u679c\u5b58\u5728\u5bf9\u8c61\u91cf\u5b50\u8bba\uff0c\u90a3\u4e48\u7b54\u6848\u4e00\u5b9a\u662f\uff1a\u6ce2\u7c92\u4e8c\u8c61\u6027\uff01<\/p>\n
\u56e0\u6b64\uff0cJavaScript\u91cc\u7684\u51fd\u6570\u548c\u5bf9\u8c61\u65e2\u6709\u5bf9\u8c61\u7684\u7279\u5f81\u4e5f\u6709\u6570\u7ec4\u7684\u7279\u5f81\u3002\u8fd9\u91cc\u7684\u6570\u7ec4\u88ab\u79f0\u4e3a\u201c\u5b57\u5178\u201d\uff0c\u4e00\u79cd\u53ef\u4ee5\u4efb\u610f\u4f38\u7f29\u7684\u540d\u79f0\u503c\u5bf9\u513f\u7684\u96c6\u5408\u3002\u5176\u5b9e\uff0c object\u548cfunction\u7684\u5185\u90e8\u5b9e\u73b0\u5c31\u662f\u4e00\u4e2a\u5b57\u5178\u7ed3\u6784\uff0c\u4f46\u8fd9\u79cd\u5b57\u5178\u7ed3\u6784\u5374\u901a\u8fc7\u4e25\u8c28\u800c\u7cbe\u5de7\u7684\u8bed\u6cd5\u8868\u73b0\u51fa\u4e86\u4e30\u5bcc\u7684\u5916\u89c2\u3002\u6b63\u5982\u91cf\u5b50\u529b\u5b66\u5728\u4e00\u4e9b\u5730\u65b9\u7528\u7c92\u5b50\u6765\u89e3\u91ca\u548c\u5904\u7406\u95ee\u9898\uff0c\u800c\u5728\u53e6\u4e00\u4e9b\u5730\u65b9\u5374\u7528\u6ce2\u6765\u89e3\u91ca\u548c\u5904\u7406\u95ee\u9898\u3002\u4f60\u4e5f\u53ef\u4ee5\u5728\u9700\u8981\u7684\u65f6\u5019\uff0c\u81ea\u7531\u9009\u62e9\u7528\u5bf9\u8c61\u8fd8\u662f\u6570\u7ec4\u6765\u89e3\u91ca\u548c\u5904\u7406\u95ee\u9898\u3002\u53ea\u8981\u5584\u4e8e\u628a\u63e1JavaScript\u7684\u8fd9\u4e9b\u5947\u5999\u7279\u6027\uff0c\u5c31\u53ef\u4ee5\u7f16\u5199\u51fa\u5f88\u591a\u7b80\u6d01\u800c\u5f3a\u5927\u7684\u4ee3\u7801\u6765\u3002<\/p>\n
** \u653e\u4e0b\u5bf9\u8c61\u5427 **<\/p>\n
\u6211\u4eec\u518d\u6765\u770b\u770bfunction\u4e0eobject<\/strong>\u7684\u8d85\u7136\u7ed3\u5408\u5427\u3002<\/p>\n\u5728\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u4e16\u754c\u91cc\uff0c\u6570\u636e\u4e0e\u4ee3\u7801\u7684\u6709\u673a\u7ed3\u5408\u5c31\u6784\u6210\u4e86\u5bf9\u8c61\u7684\u6982\u5ff5\u3002\u81ea\u4ece\u6709\u4e86\u5bf9\u8c61\uff0c\u7f16\u7a0b\u4e16\u754c\u5c31\u88ab\u5212\u5206\u6210\u4e24\u90e8\u5206\uff0c\u4e00\u4e2a\u662f\u5bf9\u8c61\u5185\u7684\u4e16\u754c\uff0c\u4e00\u4e2a\u662f\u5bf9\u8c61\u5916\u7684\u4e16\u754c\u3002\u5bf9\u8c61\u5929\u751f\u5177\u6709\u81ea\u79c1\u7684\u4e00\u9762\uff0c\u5916\u9762\u7684\u4e16\u754c\u672a\u7ecf\u5141\u8bb8\u662f\u4e0d\u53ef\u8bbf\u95ee\u5bf9\u8c61\u5185\u90e8\u7684\u3002\u5bf9\u8c61\u4e5f\u6709\u5927\u65b9\u7684\u4e00\u9762\uff0c\u5b83\u5bf9\u5916\u63d0\u4f9b\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4e5f\u4e3a\u4ed6\u4eba\u670d\u52a1\u3002\u4e0d\u8fc7\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u8981\u8c08\u5230\u4e00\u4e2a\u6709\u8da3\u7684\u95ee\u9898\uff0c\u5c31\u662f\u201c\u5bf9\u8c61\u7684\u81ea\u6211\u610f\u8bc6\u201d\u3002<\/p>\n
\u4ec0\u4e48\uff1f\u6ca1\u542c\u9519\u5427\uff1f\u5bf9\u8c61\u6709\u81ea\u6211\u610f\u8bc6\uff1f<\/p>\n
\u53ef\u80fd\u5bf9\u8bb8\u591a\u7a0b\u5e8f\u5458\u6765\u8bf4\uff0c\u8fd9\u7684\u786e\u662f\u7b2c\u4e00\u6b21\u542c\u8bf4\u3002\u4e0d\u8fc7\uff0c\u8bf7\u541b\u770b\u770bC++\u3001C#\u548cJava\u7684this\uff0cDELPHI\u7684self\uff0c\u8fd8\u6709VB\u7684me\uff0c\u6216\u8bb8\u4f60\u4f1a\u604d\u7136\u5927\u609f\uff01\u5f53\u7136\uff0c\u4e5f\u53ef\u80fd\u53ea\u662f\u8bf4\u53e5\u201c\u4e0d\u8fc7\u5982\u6b64\u201d\u800c\u5df2\u3002<\/p>\n
\u7136\u800c\uff0c\u5c31\u5728\u5bf9\u8c61\u5c06\u4e16\u754c\u5212\u5206\u4e3a\u5185\u5916\u4e24\u90e8\u5206\u7684\u540c\u65f6\uff0c\u5bf9\u8c61\u7684\u201c\u81ea\u6211\u201d\u4e5f\u5c31\u968f\u4e4b\u4ea7\u751f\u3002\u201c\u81ea\u6211\u610f\u8bc6\u201d\u662f\u751f\u547d\u7684\u6700\u57fa\u672c\u7279\u5f81\uff01\u6b63\u662f\u7531\u4e8e\u5bf9\u8c61\u8fd9\u79cd\u5f3a\u5927\u7684\u751f\u547d\u529b\uff0c\u624d\u4f7f\u5f97\u7f16\u7a0b\u4e16\u754c\u5145\u6ee1\u65e0\u9650\u7684\u751f\u673a\u548c\u6d3b\u529b\u3002<\/p>\n
\u4f46\u5bf9\u8c61\u7684\u201c\u81ea\u6211\u610f\u8bc6\u201d\u5728\u5e26\u7ed9\u6211\u4eec\u5feb\u4e50\u7684\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u75db\u82e6\u548c\u70e6\u607c\u3002\u6211\u4eec\u7ed9\u5bf9\u8c61\u8d4b\u4e88\u4e86\u592a\u591a\u6b32\u671b\uff0c\u603b\u5e0c\u671b\u5b83\u4eec\u80fd\u505a\u66f4\u591a\u7684\u4e8b\u60c5\u3002\u7136\u800c\uff0c\u5bf9\u8c61\u7684\u81ea\u79c1\u4f7f\u5f97\u5b83\u4eec\u4e92\u76f8\u4e89\u62a2\u7cfb\u7edf\u8d44\u6e90\uff0c\u5bf9\u8c61\u7684\u81ea\u8d1f\u8ba9\u5bf9\u8c61\u53d8\u5f97\u590d\u6742\u548c\u81c3\u80bf\uff0c\u5bf9\u8c61\u7684\u81ea\u6b3a\u4e5f\u5f80\u5f80\u5e26\u6765\u6325\u4e4b\u4e0d\u53bb\u7684\u9519\u8bef\u548c\u5f02\u5e38\u3002\u6211\u4eec\u4e3a\u4ec0\u4e48\u4f1a\u6709\u8fd9\u4e48\u591a\u7684\u75db\u82e6\u548c\u70e6\u607c\u5462\uff1f<\/p>\n
\u4e3a\u6b64\uff0c\u6709\u4e00\u4e2a\u4eba\uff0c\u5728\u5bf9\u8c61\u6811\u4e0b\uff0c\u6574\u6574\u60f3\u4e86\u4e5d\u4e5d\u516b\u5341\u4e00\u5929\uff0c\u7ec8\u4e8e\u609f\u51fa\u4e86\u751f\u547d\u7684\u75db\u82e6\u6765\u81ea\u4e8e\u6b32\u671b\uff0c\u4f46\u7a76\u5176\u6b32\u671b\u7684\u6839\u6e90\u662f\u6765\u81ea\u4e8e\u81ea\u6211\u610f\u8bc6\u3002\u4e8e\u662f\u4ed6\u653e\u4e0b\u4e86\u201c\u81ea\u6211\u201d\uff0c\u5728\u5bf9\u8c61\u6811\u4e0b\u6210\u4e86\u4f5b\uff0c\u4ece\u6b64\u4ed6\u5f00\u59cb\u666e\u5ea6\u4f17\u751f\uff0c\u4f20\u64ad\u771f\u7ecf\u3002\u4ed6\u7684\u540d\u5b57\u5c31\u53eb\u91ca\u8fe6\u6469\u5c3c\uff0c\u800c\u300aJavaScript\u771f\u7ecf\u300b\u6b63\u662f\u4ed6\u6240\u4f20\u7ecf\u4e66\u4e2d\u7684\u4e00\u672c\u3002<\/p>\n
JavaScript\u4e2d\u4e5f\u6709this\uff0c\u4f46\u8fd9\u4e2athis\u5374\u4e0eC++\u3001C#\u6216Java\u7b49\u8bed\u8a00\u7684this\u4e0d\u540c\u3002\u4e00\u822c\u7f16\u7a0b\u8bed\u8a00\u7684this\u5c31\u662f\u5bf9\u8c61\u81ea\u5df1\uff0c\u800c JavaScript\u7684this\u5374\u5e76\u4e0d\u4e00\u5b9a\uff01this\u53ef\u80fd\u662f\u6211\uff0c\u4e5f\u53ef\u80fd\u662f\u4f60\uff0c\u53ef\u80fd\u662f\u4ed6\uff0c\u53cd\u6b63\u662f\u6211\u4e2d\u6709\u4f60\uff0c\u4f60\u4e2d\u6709\u6211\uff0c\u8fd9\u5c31\u4e0d\u80fd\u7528\u539f\u6765\u7684\u90a3\u4e2a\u201c\u81ea\u6211\u201d\u6765\u7406\u89e3 JavaScript\u8fd9\u4e2athis\u7684\u542b\u4e49\u4e86\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u9996\u5148\u653e\u4e0b\u539f\u6765\u5bf9\u8c61\u7684\u90a3\u4e2a\u201c\u81ea\u6211\u201d\u3002<\/p>\n
\u6211\u4eec\u6765\u770b\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n
<script>\n function WhoAmI() \/\/\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570WhoAmI \n {\n alert(\"I'm \" + this.name + \" of \" + typeof(this));\n };\n WhoAmI(); \/\/\u6b64\u65f6\u662fthis\u5f53\u524d\u8fd9\u6bb5\u4ee3\u7801\u7684\u5168\u5c40\u5bf9\u8c61\uff0c\u5728\u6d4f\u89c8\u5668\u4e2d\u5c31\u662fwindow\u5bf9\u8c61\uff0c\u5176name\u5c5e\u6027\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u8f93\u51fa\uff1aI'm of object \n var BillGates = {\n name: \"Bill Gates\"\n };\n BillGates.WhoAmI = WhoAmI; \/\/\u5c06\u51fd\u6570WhoAmI\u4f5c\u4e3aBillGates\u7684\u65b9\u6cd5\u3002 \n BillGates.WhoAmI(); \/\/\u6b64\u65f6\u7684this\u662fBillGates\u3002\u8f93\u51fa\uff1aI'm Bill Gates of object \n var SteveJobs = {\n name: \"Steve Jobs\"\n };\n SteveJobs.WhoAmI = WhoAmI; \/\/\u5c06\u51fd\u6570WhoAmI\u4f5c\u4e3aSteveJobs\u7684\u65b9\u6cd5\u3002 \n SteveJobs.WhoAmI(); \/\/\u6b64\u65f6\u7684this\u662fSteveJobs\u3002\u8f93\u51fa\uff1aI'm Steve Jobs of object \n WhoAmI.call(BillGates); \/\/\u76f4\u63a5\u5c06BillGates\u4f5c\u4e3athis\uff0c\u8c03\u7528WhoAmI\u3002\u8f93\u51fa\uff1aI'm Bill Gates of object \n WhoAmI.call(SteveJobs); \/\/\u76f4\u63a5\u5c06SteveJobs\u4f5c\u4e3athis\uff0c\u8c03\u7528WhoAmI\u3002\u8f93\u51fa\uff1aI'm Steve Jobs of object \n BillGates.WhoAmI.call(SteveJobs); \/\/\u5c06SteveJobs\u4f5c\u4e3athis\uff0c\u5374\u8c03\u7528BillGates\u7684WhoAmI\u65b9\u6cd5\u3002\u8f93\u51fa\uff1aI'm Steve Jobs of object \n SteveJobs.WhoAmI.call(BillGates); \/\/\u5c06BillGates\u4f5c\u4e3athis\uff0c\u5374\u8c03\u7528SteveJobs\u7684WhoAmI\u65b9\u6cd5\u3002\u8f93\u51fa\uff1aI'm Bill Gates of object \n WhoAmI.WhoAmI = WhoAmI; \/\/\u5c06WhoAmI\u51fd\u6570\u8bbe\u7f6e\u4e3a\u81ea\u8eab\u7684\u65b9\u6cd5\u3002 \n WhoAmI.name = \"WhoAmI\";\n WhoAmI.WhoAmI(); \/\/\u6b64\u65f6\u7684this\u662fWhoAmI\u51fd\u6570\u81ea\u5df1\u3002\u8f93\u51fa\uff1aI'm WhoAmI of function \n ({\n name: \"nobody\",\n WhoAmI: WhoAmI\n }).WhoAmI(); \/\/\u4e34\u65f6\u521b\u5efa\u4e00\u4e2a\u533f\u540d\u5bf9\u8c61\u5e76\u8bbe\u7f6e\u5c5e\u6027\u540e\u8c03\u7528WhoAmI\u65b9\u6cd5\u3002\u8f93\u51fa\uff1aI'm nobody of object\n<\/script>\n<\/code><\/pre>\n\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u770b\u51fa\uff0c\u540c\u4e00\u4e2a\u51fd\u6570\u53ef\u4ee5\u4ece\u4e0d\u540c\u7684\u89d2\u5ea6\u6765\u8c03\u7528\uff0cthis\u5e76\u4e0d\u4e00\u5b9a\u662f\u51fd\u6570\u672c\u8eab\u6240\u5c5e\u7684\u5bf9\u8c61\u3002this\u53ea\u662f\u5728\u4efb\u610f\u5bf9\u8c61\u548cfunction\u5143\u7d20\u7ed3\u5408\u65f6\u7684\u4e00\u4e2a\u6982\u5ff5\uff0c\u662f\u79cd\u7ed3\u5408\u6bd4\u8d77\u4e00\u822c\u5bf9\u8c61\u8bed\u8a00\u7684\u9ed8\u8ba4\u7ed3\u5408\u66f4\u52a0\u7075\u6d3b\uff0c\u663e\u5f97\u66f4\u52a0\u8d85\u7136\u548c\u6d12\u8131\u3002<\/p>\n
\u5728JavaScript\u51fd\u6570\u4e2d\uff0c\u4f60\u53ea\u80fd\u628athis\u770b\u6210\u5f53\u524d\u8981\u670d\u52a1\u7684\u201c\u8fd9\u4e2a\u201d\u5bf9\u8c61\u3002this\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u5185\u7f6e\u53c2\u6570\uff0c\u6839\u636ethis\u53c2\u6570\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u5230\u201c\u8fd9\u4e2a\u201d\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4f46\u5374\u4e0d\u80fd\u7ed9this\u53c2\u6570\u8d4b\u503c\u3002\u5728\u4e00\u822c\u5bf9\u8c61\u8bed\u8a00\u4e2d\uff0c\u65b9\u6cd5\u4f53\u4ee3\u7801\u4e2d\u7684this\u53ef\u4ee5\u7701\u7565\u7684\uff0c\u6210\u5458\u9ed8\u8ba4\u90fd\u9996\u5148\u662f\u201c\u81ea\u5df1\u201d\u7684\u3002\u4f46JavaScript\u5374\u4e0d\u540c\uff0c\u7531\u4e8e\u4e0d\u5b58\u5728\u201c\u81ea\u6211\u201d\uff0c\u5f53\u8bbf\u95ee\u201c\u8fd9\u4e2a\u201d\u5bf9\u8c61\u65f6\uff0cthis\u4e0d\u53ef\u7701\u7565\uff01<\/p>\n
JavaScript\u63d0\u4f9b\u4e86\u4f20\u9012this\u53c2\u6570\u7684\u591a\u79cd\u5f62\u5f0f\u548c\u624b\u6bb5\uff0c\u5176\u4e2d\uff0c\u8c61BillGates.WhoAmI()\u548cSteveJobs.WhoAmI()\u8fd9\u79cd\u5f62\u5f0f\uff0c\u662f\u4f20\u9012this\u53c2\u6570\u6700\u6b63\u89c4\u7684\u5f62\u5f0f\uff0c\u6b64\u65f6\u7684this\u5c31\u662f\u51fd\u6570\u6240\u5c5e\u7684\u5bf9\u8c61\u672c\u8eab\u3002\u800c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e5f\u51e0\u4e4e\u5f88\u5c11\u53bb\u91c7\u7528\u90a3\u4e9b\u501f\u82b1\u4ed9\u4f5b\u7684\u8c03\u7528\u5f62\u5f0f\u3002\u4f46\u53ea\u6211\u4eec\u8981\u660e\u767dJavaScript\u7684\u8fd9\u4e2a\u201c\u81ea\u6211\u201d\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u7684\u201c\u81ea\u6211\u201d\u662f\u4e0d\u540c\u7684\uff0c\u8fd9\u662f\u4e00\u4e2a\u653e\u4e0b\u4e86\u7684\u201c\u81ea\u6211\u201d\uff0c\u8fd9\u5c31\u662fJavaScript\u7279\u6709\u7684\u4e16\u754c\u89c2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e0a\u6b21\u8bb2\u4e86Javascript\u7684\u51fd\u6570\uff0c\u8fd9\u6b21\u63a2\u8ba8\u4e00\u4e0b\u5bf9\u8c61\uff0c\u5148\u6765\u8bf4\u8bf4\u51fd\u6570\u7684\u5bf9\u8c61\u5316\u80fd\u529b\u3002 \u4efb\u4f55\u4e00\u4e2a\u51fd\u6570\u90fd\u53ef\u4ee5Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[4],"_links":{"self":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts\/67"}],"collection":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/comments?post=67"}],"version-history":[{"count":1,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts\/67\/revisions"}],"predecessor-version":[{"id":70,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/posts\/67\/revisions\/70"}],"wp:attachment":[{"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/media?parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/categories?post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.indeex.club\/index.php\/wp-json\/wp\/v2\/tags?post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}