code: function init(opts) {
        var self = this;
  
        // Elements
        _logContainer = opts.container;
        _filterInput = opts.filterInput;
        _filterInput.focus();
        _topbar = opts.topbar;
        _body = opts.body;
  
        _setFilterValueFromURL(_filterInput, window.location.toString());
  
        // Filter input bind
        _filterInput.addEventListener('keyup', function(e) {
          // ESC
          if (e.keyCode === 27) {
            this.value = '';
            _filterValue = '';
          } else {
            _filterValue = this.value;
          }
          _setFilterParam(_filterValue, window.location.toString());
          _filterLogs();
        });
  
        // Favicon counter bind
        window.addEventListener(
          'blur',
          function() {
            _isWindowFocused = false;
          },
          true
        );
        window.addEventListener(
          'focus',
          function() {
            _isWindowFocused = true;
            _faviconReset();
          },
          true
        );
  
        // socket.io init
        _socket = opts.socket;
        _socket
          .on('options:lines', function(limit) {
            _linesLimit = limit;
          })
          .on('options:hide-topbar', function() {
            _topbar.className += ' hide';
            _body.className = 'no-topbar';
          })
          .on('options:no-indent', function() {
            _logContainer.className += ' no-indent';
          })
          .on('options:highlightConfig', function(highlightConfig) {
            _highlightConfig = highlightConfig;
          })
          .on('line', function(line) {
            self.log(line);
          });
      }
docs: Init socket.io communication and log container
  
  @param {Object} opts options