this becomes null inside the javascript function

Question

I have java script function which gives current lat long inside that function making an http post call like this \"this.http.post\" but the value of this null inside the

Answer 1

Try like this :

use .bind(this) end of the function

ngOnInit(): void {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(function(p) {
            var LatLng = new google.maps.LatLng(p.coords.latitude, p.coords.longitude);

            console.log(p.coords.latitude);
            console.log(p.coords.longitude);

            var dataObj = {
                latitude: p.coords.latitude,
                longitude: p.coords.longitude
            };
            this.http.post('https://XXXXX/datacenteres.php', {
                dataObj
            }).subscribe(res => {
                console.log(res);
            }, err => {
                console.log("Error occured");
            });
        }.bind(this));

    }
}