住所、郵便番号からマップの位置変更

// 中心変更
var changeCenter = function (address) {
    var geocoder = new google.maps.Geocoder();
    geocoder.geocode({'address': address}, function (results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
            var location = results[0].geometry.location;
            var lat = location.lat();
            var lng = location.lng();
            var latlng = {lat: lat, lng: lng};
            map.setCenter(latlng);
        } else {
            console.log("Geocode was not successful for the following reason: " + status);
        }
    });
};
changeCenter('富山市');

現在地追跡

/**
 * 現在地追跡
 * @param {Function} func
 * @return {Void}
 */
watchCurrentPosition: function (func) {
    var self = this;
    if (navigator.geolocation) {
        navigator.geolocation.watchPosition(
            function (info) {
                var lat = info.coords.latitude;
                var lng = info.coords.longitude;
                var center = new google.maps.LatLng(lat, lng);
                func(center);
            },
            function (info) {
                //alert('現在地取得エラー' + info.code);
                return;
            },
            {enableHighAccuracy: true, timeout: 6000, maximumAge: 600000}
        );
    } else {
        //alert('本ブラウザではGeolocationが使えません');
        return;
    }
}

マップオプション取得

 /**
 * マップオプション取得
 * @param {google.maps.LatLng} latLng
 * @return {Object} options
 */
getMapOptions: function (latLng) {
    var options = {
        zoom: 15,
        minZoom: 12,
        maxZoom: 20,
        center: latLng,
        disableDoubleClickZoom: true,
        draggable: true,
        mapTypeId: google.maps.MapTypeId.ROADMAP,
        zoomControl: false,
        streetViewControl: false,
        mapTypeControl: false,
        mapTypeControlOptions: {
            style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR,
            position: google.maps.ControlPosition.TOP_RIGHT
        },
        panControl: false
    };
    return options;
}

スマホ、モバイル判定

/**
 * スマホ判定
 * @return {Boolean}
 */
isSmartPhone: function () {
    var userAgent = navigator.userAgent;
    if (userAgent.indexOf('iPhone') != -1 ||
        userAgent.indexOf('iPod') != -1 ||
        (userAgent.indexOf('Android') != -1 && userAgent.indexOf('Mobile') != -1)) {
        return true;
    }
    return false;
}
,
/**
 * モバイル判定
 * @return {Boolean}
 */
isMobile: function () {
    var userAgent = navigator.userAgent;
    if (userAgent.indexOf('iPhone') != -1 ||
        userAgent.indexOf('iPad') != -1 ||
        userAgent.indexOf('iPod') != -1 ||
        userAgent.indexOf('Android') != -1) {
        return true;
    }
    return false;
}