Typescript - multidimensional array initialization

Typescript - multidimensional array initialization

class Something {
    private things: Thing[][];

    constructor() {
        things = [];

        for(var i: number = 0; i < 10; i++) {
            this.things[i] = [];
            for(var j: number = 0; j< 10; j++) {
                this.things[i][j] = new Thing();
            }
        }
    }
}