{"id":6670,"date":"2018-05-27T21:03:38","date_gmt":"2018-05-27T13:03:38","guid":{"rendered":"https:\/\/sdeno.com\/?p=6670"},"modified":"2018-05-27T21:03:38","modified_gmt":"2018-05-27T13:03:38","slug":"js%e5%88%a4%e6%96%ad%e6%9f%90%e5%b1%9e%e6%80%a7%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8%e8%af%a5%e5%af%b9%e8%b1%a1%e8%87%aa%e8%ba%ab%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=6670","title":{"rendered":"js\u5224\u65ad\u67d0\u5c5e\u6027\u662f\u5426\u5b58\u5728\u8be5\u5bf9\u8c61\u81ea\u8eab\u4e2d"},"content":{"rendered":"<p>\u7528js\u5224\u65ad\u67d0\u4e00\u4e2a\u5c5e\u6027\u503c\u6216\u8005\u65b9\u6cd5\u662f\u4e0d\u662f\u5728\u8be5\u5bf9\u8c61\u81ea\u5df1\u91cc\u9762\u7684\uff0c\u4f46\u4e0d\u5305\u542b\u7ee7\u627f\u6765\u7684\u3002<\/p>\n<pre>\/\/\u53ea\u8981\u521b\u5efa\u4e86\u7a7a\u7684\u5bf9\u8c61\u6216\u8005\u6570\u7ec4\u90fd\u80fd\u8c03\u7528userProp\u5c5e\u6027\r\nwindow.Object.prototype.userProp = 'userProp11';<\/pre>\n<p>&nbsp;<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>var obj={}  \r\nobj.userProp  \/\/userProp11 ,\u7ee7\u627f\u8fc7\u6765\u7684<\/pre>\n<p>\u5224\u65aduserProp\u5c5e\u6027\u662f\u4e0d\u662f\u5c31\u5b58\u5728obj\u91cc\u9762\u7684\u800c\u4e0d\u662f\u7ee7\u627f\u8fc7\u6765\u7684\uff0c\u5c31\u4f7f\u7528\uff1a<\/p>\n<pre><span style=\"color: #ff0000;\">Object.prototype.hasOwnProperty.call<\/span>(obj,'userProp')  \/\/false ,\u8fd4\u56de\u5e03\u5c14\u503c\uff0c\u8bf4\u660e\u672c\u8eab\u5e76\u6ca1\u6709\u800c\u662f\u7ee7\u627f\u8fc7\u6765\u7684<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7528js\u5224\u65ad\u67d0\u4e00\u4e2a\u5c5e\u6027\u503c\u6216\u8005\u65b9\u6cd5\u662f\u4e0d\u662f\u5728\u8be5\u5bf9\u8c61\u81ea\u5df1\u91cc\u9762\u7684\uff0c\u4f46\u4e0d\u5305\u542b\u7ee7\u627f\u6765\u7684\u3002 \/\/\u53ea\u8981\u521b\u5efa\u4e86\u7a7a\u7684\u5bf9\u8c61\u6216\u8005\u6570\u7ec4\u90fd\u80fd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-6670","post","type-post","status-publish","format-standard","hentry","category-11"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/6670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6670"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/6670\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}