type_checking_performance.js

var viewer = new Cesium.Viewer('cesiumContainer');

var startTime = performance.now();

for (var k = 0; k < 999999; k++) {
    var array = [0.3, 2, 2, 3, 3, 4];
    
    Cesium.Cartesian3.unpackArray(array);
}

for (var i = 0; i < 1000000; i++) {
    var coordinates = [Math.random() * 80, Math.random() * 80];
    Cesium.Cartesian3.fromDegreesArray(coordinates);
    Cesium.Cartesian3.fromDegrees(
        Math.random() * 80, 
        Math.random() * 80
    );
}

for (var j = 0; j < 1000000; j++) {
    Cesium.Cartesian3.fromDegrees(
        Math.random() * 80, 
        Math.random() * 80
    );
}

var timeElapsed = performance.now() - startTime;
console.log('done in ' + Math.round(timeElapsed) + ' ms');