in modules/50-Deploying-Via-Apps-Manager-Console/public/javascripts/ping.js [1:15]
$(document).ready( function() {
var interval = 4000
var ping = setInterval( function() {
$.ajax({
url: '/ping.txt',
dataType: 'text',
success: function (data) {
$("[data-ping='ping']").append( data )
}
})
}, interval
)
})