Function opHandler

test/client/doc.js:288–294

(op, source)

        doc.submitOp({p: ['list', 0], li: 2}, {source: true});
      }
      function opHandler(op, source) {
        if (source) {
          return;
        }
        doc.off('op', opHandler);
        doc.submitOp({p: ['list', 0], li: 3}, {source: true});
      }
      doc2.submitOp({p: ['list'], oi: []}, function() {
        doc.fetch(function() {
          doc.on('before op', beforeOpHandler);