Как обновить кеш страницы, если сценарии были обновлены?

 //Script to check (via php & javascript), if the files loaded into client's cache are old and refreshes the page if newer files found on the server. $(document).ready( function() { var newFileCacheDate; //uncomment: //$.getJSON('scripts/file_date.php', function(jsonData){ setTimeout(function(){ newFileCacheDate = {"css_1":"30-01-2015","css_2":"28-01-2015","css_3":"07-03-2015","js_1":"28-02-2015","js_2":"02-03-2015"}; //uncomment: //jsonData; var StoredData = getStorage(); var isUpdated = check_filedate(newFileCacheDate, StoredData); if(isUpdated) { console.log('files have been updated, isUpdated = true'); addNewStorage_and_refresh(newFileCacheDate); } //uncomment: //}).fail(function() { console.log( "Couldn't get the json data." ); }); }, 1000); function addNewStorage_and_refresh(newDates){ if(typeof(Storage) !== "undefined") { localStorage.setItem('filecache_date', JSON.stringify(newDates)); alert('filedate storage updated, refreshing'); location.reload(); } } function getStorage(){ if(typeof(Storage) !== "undefined") { var fileCacheDate, stored_FileDates; var dataToStore = { "css_1" : '30-01-2014', "css_2" : '28-01-2015', "css_3" : '07-03-2015', "js_1" : '28-02-2015', "js_2" : '02-03-2015' }; if (localStorage.getItem("filecache_date") === null) { localStorage.setItem('filecache_date', JSON.stringify(dataToStore)); console.log('filecache=null'); return dataToStore; } else if (localStorage.getItem("filecache_date") != null) { fileCacheDate = localStorage.getItem('filecache_date'), stored_FileDates = JSON.parse(fileCacheDate); console.log('filechache=present'); return stored_FileDates; } } } function check_filedate(newfile, oldfile){ var isItUpdated = false; $.each(oldfile, function (key, olddata) { if(Date.parse(process(olddata)) < Date.parse(process(newfile[key]))){ console.log('files have been updated = true'); isItUpdated = true; return false; } }); return isItUpdated; function process(date){ var parts = date.split("-"); return new Date(parts[2], parts[1] - 1, parts[0]); } //to convert and return date in standard format } }); /* THE PHP CODE ** Paste this PHP code as a separate "file_data.php" file for retrieving json data from ** ******************************************************************************************* <?php $filenames = array( "css_1" => 'file1_css.css', "css_2" => 'file2_css.css', "js_1" => 'file3_jscript.js', "js_2" => 'file4_jscript.js' ); $previousDate = array( "css_1" => '0', "css_2" => '0', "js_1" => '0', "js_2" => '0', ); foreach ($filenames as $jsonVar => $filename) { if (file_exists($filename)) { $mtime = filemtime($filename); $previousDate[$jsonVar] = date ("dmY", $mtime); } } echo json_encode($previousDate); ?> ******************************************************************************************* */ //Below code for demo purpose only. $(document).ready( function() { $('button#reset').on('click', function(){ localStorage.removeItem('filecache_date'); location.reload(); }); }); 

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> <!-- Check Console for Logs --> Check Console for Logs <br><br> If you were unable to see console log before page refresh, click on the reset button <br> (page will refresh after resetting localStorage data) <br><br> <button id="reset">Reset </button> <br><br> EDIT: Although jsfiddle allows localstorage, the stackoverflow snippet tool doesn't allow it, so this code might not function on stackoverflow.<br><br> <b style="color:red;">Uncaught SecurityError: Failed to read the 'localStorage' property from 'Window': The document is sandboxed and lacks the 'allow-same-origin' flag.</b>