Intersection observers

by Antonija Šimić from Mochalabs

https://www.meetantonija.com

https://mochalabs.com

Callback funkcija koja se zove kada neki element ude u viewport

(eng. when element enters or exits intersection with another element )

Što je intersection observer?

Što znaci observer

Funkcija koja promatra nešto što se dogada na stranici

Sintaksa

/**
* Typical Observer's registration
*/
let observer = new YOUR-TYPE-OF-OBSERVER(function (entries) {
  // entries: Array of observed elements
  entries.forEach(entry => {
      // Here we can do something with each particular entry
  });
});

// Now we should tell our Observer what to observe
observer.observe(WHAT-TO-OBSERVE);