\u6211\u5011\u5148\u628a\u8a71\u8aaa\u5728\u524d\u982d, Javascript\u7684\u6240\u6709\u51fd\u6578\u4e26\u4e0d\u9069\u7528\u5728\u6240\u6709\u7684\u700f\u89bd\u5668, \u9019\u500b\u5927\u5bb6\u90fd\u8d0a\u540c\u5427?<\/p>\n
\u6240\u4ee5\u4f60\u4e00\u5b9a\u6703\u8ddf\u6211\u4e00\u6a23\u60f3\u5148\u64f7\u53d6\u4f7f\u7528\u8005\u7684\u700f\u89bd\u5668\u7248\u672c, \u770b\u770b\u5b83\u662f\u7528IE, MOZILLA\u9084\u662fOpera\u7b49\u7b49\u7684, \u4f46\u9019\u6a23\u7684\u65b9\u6cd5\u771f\u7684\u597d\u7528\u55ce? \u8001\u5be6\u8aaa\u9019\u662f\u76f8\u7576\u96e3\u7dad\u8b77\u7684, \u56e0\u70ba\u700f\u89bd\u5668\u6703\u4e00\u76f4\u66f4\u65b0, \u5982\u679c\u4f60\u90fd\u7528IF ELSE\u4f86\u5224\u65b7\u5b83\u7684\u7248\u672c\u61c9\u8a72\u6703\u8981\u4e00\u76f4\u66f4\u65b0\u5427, \u800c\u4e14\u4f60\u53c8\u8981\u600e\u9ebc\u5224\u65b7\u4f60\u7684\u4f7f\u7528\u8005\u6703\u4e0d\u6703\u6bd4\u4f60\u66f4\u5feb\u66f4\u65b0\u5b83\u7684\u700f\u89bd\u5668\u5462?<\/p>\n
\u820a\u7684\u65b9\u6cd5\u5982\u4e0b:<\/p>\n
javascript:alert(navigator.userAgent);<\/p><\/blockquote>\n
\u5982\u679c\u4f60\u4f7f\u7528IE7, \u5b83\u6703\u56de\u50b3\u7d66\u4f60: Mozilla 4.0\/ …..<\/p>\n
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\n}<\/p><\/blockquote>\n\u6211\u5011\u8981\u5224\u65b7\u700f\u89bd\u5668\u662f\u5426\u652f\u63f4getElementById \u5c31\u53ef\u4ee5\u76f4\u63a5\u7528typeof document.xx != “undefined” \u4f86\u5224\u65b7 \u5982\u679c\u4f7f\u7528\u8005\u4e0d\u652f\u63f4\u9019\u500b\u51fd\u6578\u4f60\u5c31\u53ef\u4ee5\u518d\u53e6\u5916\u60f3\u8fa6\u6cd5. \u53e6\u5916\u4e00\u7a2e\u5beb\u6cd5\u5982\u4e0b:<\/p>\n
var getElem = (typeof document.getElementById == “function”) ? true : false;
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\n}\n<\/p><\/blockquote>\n\u9019\u6a23\u662f\u4e0d\u662f\u6bd4\u8f03\u5be6\u969b\u4e14\u5bb9\u6613\u7dad\u8b77\u5462?<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6211\u5011\u5148\u628a\u8a71\u8aaa\u5728\u524d\u982d, Javascript\u7684\u6240\u6709\u51fd\u6578\u4e26\u4e0d\u9069\u7528\u5728\u6240\u6709\u7684\u700f\u89bd\u5668, \u9019\u500b\u5927\u5bb6\u90fd\u8d0a\u540c\u5427? \u6240\u4ee5\u4f60\u4e00\u5b9a\u6703 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-60","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/posts\/60","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=60"}],"version-history":[{"count":0,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=\/wp\/v2\/posts\/60\/revisions"}],"wp:attachment":[{"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=60"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=60"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/tw.newtonstudio.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=60"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}