Facebook Header Javascript


Facebook Header Javascript

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Facebook Header Javascript

shareimprove this answer answered Oct 20 '08 at 23:34 savetheclocktower 1,23468 This approach still requires that you control the server for your JS. –Jan Sep 4 '15 at 16:37 show 6 more comments up vote 246 down vote accepted Unfortunately, there isn't an API to give you the HTTP response headers for your initial page request. More on that is described next. Make Inferences There are some BOM properties (Browser Object Model) which the browser determines by looking at the headers. In order to assist our new users, we have created a step by step list of articles that you can browse through to get the most out of this site. Email Sign Up or sign in with Google Facebook Accessing the web page's HTTP Headers in JavaScript Ask Question up vote 321 down vote favorite 116 How do I access a page's HTTP response headers via JavaScript? Related to this question, which was modified to ask about accessing two specific HTTP headers. Site Links About Us Contact Us FTC Disclosure Privacy Policy Terms of Service Free Blog Setup Our Sites OptinMonster MonsterInsights WPForms List25 Awesome Motive . Try googling the specific thing you want, like "http referer javascript". The file name is in the header so I did the following: var xhr = new XMLHttpRequest(); xhr.open('POST', url, true); xhr.responseType = "blob"; xhr.onreadystatechange = function () { if (xhr.readyState == 4) { success(xhr.response); // the function to proccess the response console.log("++++++ reading headers ++++++++"); var headers = xhr.getAllResponseHeaders(); console.log(headers); console.log("++++++ reading headers end ++++++++"); } }; Output: Date: Fri, 16 Aug 2013 16:21:33 GMT Content-Disposition: attachment;filename=testFileName.doc Content-Length: 20 Server: Apache-Coyote/1.1 Content-Type: application/octet-stream shareimprove this answer edited Oct 26 '16 at 12:36 mkj 2,02651525 answered Aug 16 '13 at 16:29 rushmore 878 add a comment up vote 1 down vote Like many people I've been digging the net with no real answer :( I've nevertheless find out a bypass that could help others. 3. BackSign UpCreate a Page for a celebrity, band or business.English (US)NederlandsFryskPolskiTrkeDeutschFranais (France)EspaolPortugus (Brasil)ItalianoSign UpLog InMessengerFacebook LiteMobileFind FriendsPeoplePagesPlacesGamesLocationsCelebritiesMarketplaceGroupsRecipesSportsLookMomentsInstagramLocalAboutCreate AdCreate PageDevelopersCareersPrivacyCookiesAd ChoicesTermsHelpSettingsActivity Log Facebook 2018. If it doesn't exist, then it is an oversight on our part. function fetchSimilarHeaders (callback) { var request = new XMLHttpRequest(); request.onreadystatechange = function () { if (request.readyState === 4) { // // The following headers may often be similar // to those of the original page request. Alternatively, you can browse our site by date, category, and/or go through our hand-picked step by step guides. 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This is quite a different question than simply getting the response headers for any HTTP request. This is a comparison test using Hurl.it: shareimprove this answer edited Dec 12 '17 at 23:40 answered Dec 12 '17 at 22:34 Jorgesys 74.9k14211183 add a comment Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. For some examples of doing this have a look at Just my 2 cents. –scottrudy Mar 1 '12 at 22:39 14 Making a new request will only work if the response values you need are guaranteed to be identical from one request to the next. We would like to fix that. Or to fit this answer "It's not possible, but here's a hack to attempt to simulate it which may or may not work at all for you". I only push a extra 'js script' line right after my header construction, that set an existing variable from my document within my browser [I choose location], but any other option is possible. obviously he knows the best, what the best answer is, and made it himself –mykhal Jul 28 '11 at 10:22 16 Depending on what header you are after you may want to use the 'HEAD' verb. By clicking or navigating the site, you agree to allow our collection of information on and off Facebook through cookies. I was needing to download a file and read the file name. Stack Overflow Questions Developer Jobs Tags Users current community help chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Stash them If you control the server side, you can access any header you like as you construct the full response. rev2018.1.9.28317 . Getting header values from the Initial Page Request: This question was first asked several years ago, asking specifically about how to get at the original HTTP response headers for the current page (i.e. shareimprove this answer edited Aug 19 '14 at 10:38 Marius Bancila 11.9k63375 answered Nov 3 '08 at 21:53 Allain Lalonde 46.4k60156220 add a comment up vote 10 down vote A solution with Service Workers Service workers are able to access network information, which includes headers. shareimprove this answer answered Jan 30 '13 at 0:06 David Winiecki 2,41012133 add a comment up vote 2 down vote This is an old question. This could allow you to access the headers you need using the nice XMLHttpRequest API described above. I can then easily check from JavaScript if the variable exist or not. ToolsGraph API ExplorerOpen Graph DebuggerObject BrowserJavaScript Test ConsoleAPI Upgrade ToolFacebook Analytics 5a02188284

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