Convert angular degrees to web mercator coordinates

convertWebMercator.js

var degrees2meters = function(lon,lat) {
        var x = lon * 20037508.34 / 180;
        var y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180);
        y = y * 20037508.34 / 180;
        return [x, y]
}

x = -122.6765
y = 45.5231

console.log(degrees2meters(x,y))

// should result in: [ -13656285.510400057, 5704252.26215099 ]