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\u5bf9\u8c61.prototype.\u5c5e\u6027\u540d\n<\/pre>\n\n\n\n\u521b\u5efa\u5bf9\u8c61\u5c5e\u6027<\/h3>\n\n\n\n
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JavaScript\u4e2d\u5b9e\u73b0\u7ee7\u627f\u4e3b\u8981\u662f\u901a\u8fc7\u4fee\u6539\u5bf9\u8c61\u7684_proto_(\u539f\u578b)\u6307\u5411\u5230\u7236\u539f\u578b\u6765\u5b9e\u73b0\u7684\u7ee7\u627f\u3002\u4e00\u65e6\u7406\u89e3\u4e86\u5c31\u4f1a\u5f88\u7b80\u5355,\u4f46\u662f\u8fd9\u4e2a\u8bbe\u8ba1\u771f\u7684\u4e0d\u597d,\u800c\u4e14\u539f\u578b\u8fd9\u4e2a\u79f0\u8c13\u771f\u7684\u592a\u5bb9\u6613\u6df7\u6dc6\u4e86\u3002<\/p>\n\n\n\n
\u6ce8\u610f!<\/h4>\n\n\n\n
\/\/\u9519\u8bef\u7684\u7ee7\u627f\nstudent.prototype = person.prototype;<\/pre>\n\n\n\n\u89e3\u91ca:\u56e0\u4e3a\u5982\u679c\u662f\u8fd9\u4e48\u8d4b\u503c\u7684\u8bdd,\u5728\u540e\u7eed\u7684\u64cd\u4f5c\u4e2d,\u6bd4\u5982\u7ed9student\u589e\u52a0\u5c5e\u6027\u6216\u8005\u65b9\u6cd5\u65f6,\u6536student\u7684\u672c\u8d28\u8fd8\u662fperson,\u8fd9\u6837\u5b50\u4fee\u6539\u7684\u8bdd,\u672c\u8d28\u4e0a\u8fd8\u662f\u4fee\u6539\u7684person\u7684\u5bf9\u8c61\u5c5e\u6027\u3002<\/p>\n\n\n\n
\/\/\u6b63\u786e\u7684\u7ee7\u627f\nstudent.prototype = Object.create(person.prototype)\n\/\/\u6b64\u65f6\u5c31\u53ef\u4ee5\u6b63\u786e\u628astudent\u7684_proto_\u6b63\u786e\u7684\u6307\u5411person.prototype\u4e86<\/pre>\n\n\n\n(JavaScript\u5728ES6\u4e2d\u8c8c\u4f3c\u5df2\u7ecf\u5f15\u5165\u4e86extend\u5e94\u8be5\u80fd\u6539\u5584\u5f53\u524d\u8fd9\u4e2a\u53cd\u4eba\u7c7b\u7684\u8bbe\u8ba1\u4e86)<\/p>\n\n\n\n
\u539f\u578b<\/h2>\n\n\n\n
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\u539f\u578b\u94fe<\/h2>\n\n\n\n
bosn\u7684\u539f\u578b\u6307\u5411Student,Student\u7684\u539f\u578b\u53c8\u4f1a\u6307\u5411Person,Person\u7684\u539f\u578b\u53c8\u4f1a\u6307\u5411Object,\u5219\u79f0\u8fd9\u6761\u8054\u7cfb\u4e3a\u539f\u578b\u94fe\u3002<\/p>\n\n\n\n
InstanceOf<\/h2>\n\n\n\n
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\u5c3e\u8a00<\/h2>\n\n\n\n
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