// Parameters
var size; // Type: number
var familyName; // Type: string
var italic; // Type: boolean
var bold; // Type: boolean
var strikeout; // Type: boolean
var underline; // Type: boolean
var unit; // Type: WebAnnotationFontUnitEnumJS

var instance = new Vintasoft.Imaging.Annotation.UI.WebAnnotationFontJS(size, familyName, italic, bold, strikeout, underline, unit);