KONUMA GÖRE MESAFE HESAPLAMA

 

function getDistanceFromLatLongInKm(originLat, originLong, destinationLat, destinationLong)

{

    var Radius = 6371; // dünya yarıçapı km

    var dLat = deg2rad(destinationLat-originLat);

    var dLong = deg2rad(destinationLong-originLong);

    var a =

        Math.sin(dLat/2) * Math.sin(dLat/2) +

        Math.cos(deg2rad(originLat)) * Math.cos(deg2rad(destinationLat)) * Math.sin(dLong/2) * Math.sin(dLong/2);

    var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));

    var result = Radius * c; // KM cinsinden mesafe

    return result;

}

 

function deg2rad(mDeg) {

    return mDeg* (Math.PI/180)

}

 

JavaScript dizi kopyalama , referanssız

 1. JSON.parse(JSON.stringify(input))

 

2.


let oldArray = [1, 2, 3, 4, 5];

let newArray = oldArray.slice(); 

 

Json Data verilen navigasyon içeriğini getirme

getDataByNav(dataNav: string, response: any) {

const navs = dataNav.split('.');

let lastObj = Object.assign([], response);

if (navs && navs.length > 0) {

for (let i = 0; i < navs.length; i++) {

lastObj = lastObj[navs[i].toString()]

}

}

return lastObj;

}

Httpden dönen json datanın hepsini localStorage'e atma

var dataProperties = Object.getOwnPropertyNames(responseStart.data);
for(let i=0;i<datapProperties.length;i++){
localStorage.setItem(prefix+dataProperties[i],responseStart[dataProperties[i]])
}

Javascript Url'den Dosya indirme

        function saveFile(url) {
            var filename = url.substring(url.lastIndexOf("/") + 1).split("?")[0];
            var xhr = new XMLHttpRequest();
            xhr.responseType = 'blob';
            xhr.onload = function () {
                var a = document.createElement('a');
                a.href = window.URL.createObjectURL(xhr.response);
                a.download = filename;
                a.style.display = 'none';
                document.body.appendChild(a);
                a.click();
                delete a;
            };
            xhr.open('GET', url);
            xhr.send();
        }

javascript alfabe

var alphabet = 'abcdefghijklmnopqrstuvwxyz'.split('');

Html input file video eklendiğinde videoyu önizleme yapma

$(document).on("change", ".file_multi_video", function(evt) {
  var $source = $('#video_here');
  $source[0].src = URL.createObjectURL(this.files[0]);
  $source.parent()[0].load();
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<video width="400" controls>
  <source src="mov_bbb.mp4" id="video_here">
    Your browser does not support HTML5 video.
</video>

<input type="file" name="file[]" class="file_multi_video" accept="video/*"> 

javascript recursive replace

var mystring = "this,is,a,test"
mystring.replace(/,/g , "newchar");

DEMO: http://jsfiddle.net/d4N9s/

html5 video hızı değiştirme

var video = document.getElementsByTagName('video')[0]; video.playbackRate=2;

bootstrap table tarihe göre sıralama

var dateSorter = function (a ,b) {
    var aParts = a.split('/');
    var bParts = b.split('/');
    if (aParts.length === 3 && bParts.length === 3) {
        var integerA = parseInt(aParts[2] + aParts[1] + aParts[0]);
        var integerB = parseInt(bParts[2] + bParts[1] + bParts[0]);
        return integerA < integerB ? -1 : 1;
    }
    return 0;
}

Jquery tüm cookie leri silme

for (var it in $.cookie()) $.removeCookie(it);