10 examples of 'beforeunload jquery' in JavaScript

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function onJqueryLoad() {
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    $(document).ready(function() {
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        $("button").click(function() {
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            setTimeout(function() {
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                // There might be several email windows. Each of
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                // them has a textfield with id em-0, em-1, ..
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                $("div[id^='aD-']").one('click', addSignature)
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                                   .one('focusin', addSignature);
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            }, 100);
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        });
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    });
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}

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function beforeunloadEnd() {
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	storage.put(storeKey.BEFOREUNLOAD_END, Date.now(), true);
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	// if the origin check result is not "unknown" we have been on the page long enough to trust the history length
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	if (window.performance[ORIGIN_CHECK_PROP] !== ORIGIN_CHECK.unknown) {
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		storage.put(HISTORY_CHECK_PARAM, window.history.length, true);
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	} else {
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		storage.erase(HISTORY_CHECK_PARAM, true); // can't trust window.history at this point so null it
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	}
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}

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function beforeUnloadHandler (e) {
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    dialogsInfo.beforeUnloadDialogAppeared = !!e.prevented;
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    beforeUnloadEventWasRaised             = true;
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    if (dialogsInfo.beforeUnloadDialogAppeared)
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        onDialogsInfoChanged();
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    if (dialogsInfo.beforeUnloadDialogAppeared && !dialogsInfo.expectBeforeUnload)
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        sendUnexpectedDialogError('beforeUnload', e.returnValue === true ? '' : e.returnValue.toString());
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}

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function beforeUnload(event) {
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  if (commandManager.canUndo()) {
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    event.preventDefault();
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    return jQuery.locale.get("input:unload-blocked");
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  }
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}

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function jqueryLoaded() {
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  django.jQuery(document).ready(function () {
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    if (!django.hasOwnProperty('unitsList')){
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      django.jQuery.ajax({
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        url: '/api/v1/courses/units',
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        success: function (data, status, jqXHR) {
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          django.unitsList = data
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        }
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      });
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    }
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  });
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}

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D205ConsoleInput.prototype.beforeUnload = function beforeUnload(ev) {
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    var msg = "Closing this window will make the device unusable.\n" +
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              "Suggest you stay on the page and minimize this window instead";
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    ev.preventDefault();
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    ev.returnValue = msg;
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    return msg;
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};

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$(window).on('beforeunload', function documentOnBeforeUnload() {
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    window.ocUnloading = true
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})

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function unloadHandler(e) {
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  e.data.editor.destroy();
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}

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function onUnload() {
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    //this doesn't get reached when the user presses the Escape key.
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    removePlayer(0);
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    return true;
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}

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function onUnload() {
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  chromeWindow.removeEventListener("unload", onUnload, false);
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  extensionWindow.removeEventListener("unload", onUnload, false);
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  func(chromeWindow);
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}