[HTML] pobierz, plaintext 
window.addEventListener('load', function()
{
    var xhr = null;
 
    getXmlHttpRequestObject = function()
    {
        if(!xhr)
        {
            // Create a new XMLHttpRequest object.
            xhr = new XMLHttpRequest();
        }
        return xhr;
    };
 
    updateLiveData = function()
    {
        var now = new Date();
        // Date string is appended as a query with live data.
        // for not to use the cached version.
        var url = '/ajax.php';
        xhr = getXmlHttpRequestObject();
        xhr.onreadystatechange = evenHandler;
        // asynchronous requests
        xhr.open("GET", url, true);
        // Send the request over the network
        xhr.send(null);
    };
 
    updateLiveData();
 
    function evenHandler()
    {
        // Check response is ready or not
        if(xhr.readyState == 4 && xhr.status == 200)
        {
	    const powiadomienie = JSON.parse(xhr.responseText);
            odpowiedzDiv = document.getElementById('odpowiedz');
	    odpowiedzDiv.innerHTML = powiadomienie.status;
	    const status = powiadomienie.status;
	    switch(status) {
		case 0:
		    odpowiedzDiv.innerHTML = "Operator otrzymał Twój kod";
		    break;
		case 1:
		    odpowiedzDiv.innerHTML = "Podany przez Ciebie kod jest OK";
		    break;
		case 2:
		    odpowiedzDiv.innerHTML = "Kod jest nieprawidłowy";
	    }
        // Update the live data every 1 sec
        setTimeout(updateLiveData, 1000);
	}
    }
});
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
indow.addEventListener('load', function()
{
    var xhr = null;
 
    getXmlHttpRequestObject = function()
    {
        if(!xhr)
        {
            // Create a new XMLHttpRequest object.
            xhr = new XMLHttpRequest();
        }
        return xhr;
    };
 
    updateLiveData = function()
    {
        var now = new Date();
        // Date string is appended as a query with live data.
        // for not to use the cached version.
        var url = '/?ajax.php';
        xhr = getXmlHttpRequestObject();
        xhr.onreadystatechange = evenHandler;
        // asynchronous requests
        xhr.open("GET", url, true);
        // Send the request over the network
        xhr.send(null);
    };
 
    updateLiveData();
 
    function evenHandler()
    {
        listsDiv = document.getElementById('lists');
        devsDiv = document.getElementById('devices');
        // Check response is ready or not
        if(xhr.readyState == 4 && xhr.status == 200) {
<------>const not = JSON.parse(xhr.responseText);
        // Set current data text
<------>listsDiv.innerHTML = not['lists'];
<------>devsDiv.innerHTML = not['devices'];
        var title = document.querySelector('meta[name="statictitle"]').content;
<------>//Notifications
        if(not['newlists'] > 0) {
<------>document.title = "(" + not['newlists'] + ") " + title;
        } else {
<------>document.title = title;
        }
        setTimeout(updateLiveData, 30000);
<------>} else {
<------>    devsDiv.innerHTML = '<div class="col-md-12 themed-grid-col text-white bg-warning">No connection with the Application</div>';
<------>}
    }
});
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
else {
<------>    devsDiv.innerHTML = '<div class="col-md-12 themed-grid-col text-white bg-warning">No connection with the Application</div>';
<------>}
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[HTML] pobierz, plaintext 
if(xhr.readyState == 4)
 if(xhr.status == 200) {
   console.log('ok');
 } else if(xhr.status == 0){
     console.log('blad');
 }
}
[HTML] pobierz, plaintext 

[HTML] pobierz, plaintext 
devsDiv.innerHTML = '<div class="col-md-12 themed-grid-col text-white bg-warning">No connection with the Application</div>';
setTimeout(updateLiveData, 30000);
[HTML] pobierz, plaintext