$(t).DataTable({
    ...
    ajax: function(data, callback, settings) {
        _this.myService.get().subscribe(response => {
            console.log('response', response); //The response data is json
            console.log('response', response.length); //results in 10
            console.log('is array', Array.isArray(response)); //result is true
            callback(response);
        })

    },
    ...