var settings = {

    endpoint: 'path/to/the/server.php', // Where is located the PHP file.

    // The complete settings list is available below.

};

// Create a new Network instance by providing an optional object.
var net = new Network(settings);

// Listen for the "end" event which provides the calculated latencies.
net.latency.on('end', function(averageLatency, allLatencies) {
    // "allLatencies" is an array containing the five calculated latencies in
    // milliseconds. They're used to determine an average latency.
    console.log('end', averageLatency, allLatencies);
});

// Once all the configuration is done, start the requests for this module.
net.latency.start();

// It is possible to chain functions for all the modules, here's an example with the
// upload module.
net.upload
     .on('start', function(dataSize) {
         console.log('start', dataSize);
     })
     .on('progress', function(averageSpeed, instantSpeed) {
         // Every bandwidth measure are in Mega BYTES per second!
         console.log('progress', averageSpeed, instantSpeed);
     })
     .on('restart', function(dataSize) {
         // The restart event is triggered when the module didn't have time
         // (according to the `delay` option) to take all the measures. A new
         // request will start with data size increased by the multiplier value.
         console.log('restart', dataSize);
     })
     .on('end', function(averageSpeed, allInstantSpeeds) {
         console.log('end', averageSpeed, allInstantSpeeds);
     })
     .start();

// You can also cancel a request (except for the "latency" module).
net.upload.abort();

net.download
     .on('start', function(dataSize) {
         console.log('start', dataSize);
     })
     .on('progress', function(averageSpeed, instantSpeed) {
         console.log('progress', averageSpeed, instantSpeed);
     })
     .on('restart', function(dataSize) {
         console.log('restart', dataSize);
     })
     .on('end', function(averageSpeed, allInstantSpeeds) {
         console.log('end', averageSpeed, allInstantSpeeds);
     })
     .start();

net.download.abort();

{
    latency: {
        // Where is located your `network.php` file.
        endpoint: './network.php',
        // How many measures should be returned.
        measures: 5,
        // How much attempts to get a valid value should be done for each measure.
        attempts: 3
    },

    upload: {
        // Where is located your `network.php` file.
        endpoint: './network.php',
        // The delay while you want to take measures.
        delay: 8000,

        data: {
            // The amount of data to initially use.
            size: 2 * 1024 * 1024, // 2 MB

            // If the measure period can't reach the delay defined in the settings,
            // the data amount is multiplied by the following value.
            multiplier: 2
        }
    },

    download: {
        // Where is located your `network.php` file.
        endpoint: './network.php',
        // The delay while you want to take measures.
        delay: 8000,

        data: {
            // The amount of data to initially use.
            size: 10 * 1024 * 1024, // 10 MB

            // If the measure period can't reach the delay defined in the settings,
            // the data amount is multiplied by the following value.
            multiplier: 2
        }
    }
}

var net = new Network({
    // If you define a value at the top level of the object,
    // it will be applied to every module.
    endpoint: './my-new-endpoint/',

    download: {
        data: {
            multiplier: 2.5
        }
    }
});

// The `settings()` method takes an object in parameter.
net.settings({
    endpoint: './my-second-new-endpoint'
});

// Without any parameters, it will return the current settings.
console.log(net.settings()); // Prints the current settings in the console.

// Each module has a `settings()` method that works the same way.
net.latency.settings({
    measures: 10
});
console.log(net.latency.settings());

if (Network.supportsResourceTiming) {
    // Resource Timing is available.
} else {
    // The polyfill will be used, expect some weird latency measures.
}