examples/basic-map-functions.html

<body>
  <div id="root">
    <button @click="panTo">
      Pan To
    </button>

    <button @click="panToBounds">
      Pan To Bounds
    </button>

    <button @click="fitBounds">
      Fit Bounds
    </button>

    <gmap-map :center="center" :zoom="7" ref="mmm" style="width: 100%; height: 500px">
      <gmap-marker :key="index" v-for="(m, index) in markers" :position="m.position" :clickable="true" :draggable="true" @click="center=m.position"></gmap-marker>
    </gmap-map>
  </div>

  <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.0/vue.js"></script>
  <script src="vue-google-maps.js"></script>

  <script>
    Vue.use(VueGoogleMaps, {
      load: {
        key: 'AIzaSyDf43lPdwlF98RCBsJOFNKOkoEjkwxb5Sc'
      },
    });

    document.addEventListener('DOMContentLoaded', function() {
      new Vue({
        el: '#root',
        data: {
          center: {
            lat: 10.0,
            lng: 10.0
          },
          markers: [{
            position: {
              lat: 10.0,
              lng: 10.0
            }
          }, {
            position: {
              lat: 11.0,
              lng: 11.0
            }
          }]
        },

        methods: {
          fitBounds() {
            var b = new google.maps.LatLngBounds();

            b.extend({
              lat: 33.972,
              lng: 35.4054
            });
            b.extend({
              lat: 33.7606,
              lng: 35.64592
            });

            this.$refs.mmm.fitBounds(b);
          },
          panToBounds() {
            var b = new google.maps.LatLngBounds();

            b.extend({
              lat: 33.972,
              lng: 35.4054
            });
            b.extend({
              lat: 33.7606,
              lng: 35.64592
            });

            this.$refs.mmm.panToBounds(b);
          },
          panTo() {
            this.$refs.mmm.panTo({
              lat: 47.912867,
              lng: 106.910723
            });
          },
        }
      });
    });
  </script>

</body>