var expiresDate = new Date();<\/p>\nexpiresDate.setTime(expiresDate.getTime() + (7 * 24 * 60 * 60 * 1000)); \/\/ \u8bbe\u7f6e7\u5929\u540e\u8fc7\u671f<\/p>\n
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document.cookie = "user=; expires=Thu, 01 Jan 1970 00:00:00 GMT";<\/p>\n<\/code><\/pre>\n<\/p>\n
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