Get tick data via jsonp api and update DOM at intervals

update-dom-with-tick-data.js

/**
 * Demo code snip:
 * Get tick data via jsonp api and update DOM at intervals
 *
 * `#market` is the DOM element to update;
 * `https://example.com/data.json` is the url to fetch tick data;
 * `1000*5` is the time interval for tick.
 */

$('#market').on('_init _tick', function(event) {
    console.log('tick');
    var $root = $(this);

    $.ajax({
        dataType : "jsonp",
        url : "https://example.com/data.json"
    }).done(function(data) {
        // process data and update DOM
        // ...
    }).always(function(){
        setTimeout(function(){
            $root.trigger('_tick');
        }, 1000*5);
    });
}).trigger('_init');