change-detector.ts

import {AfterViewInit, ChangeDetectorRef} from '@angular/core';
@Component(…)
class AppComponent implements AfterViewInit {

    constructor(private cdr: ChangeDetectorRef) {}
    ngAfterViewInit() {
        // We only want to detach the change detectors after change detection has been
        // performed for the first time
        this.cdr.detach();
    }

    update() {
        // Run change detection only for this component when update() method is called.
        this.cdr.detectChanges();
    }
}