I would like to know what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById?
From this link I could gather that with querySelector I can write document.querySelector(".myclass") to get elements with class myclass and document.querySelector("#myid") to get element with ID myid. But I can already do that getElementsByClassName and getElementById. Which one should be preferred?
Also I work in XPages where the ID is dynamically generated with colon and looks like this view:_id1:inputText1. So when I write document.querySelector("#view:_id1:inputText1") it doesn’t work. But writing document.getElementById("view:_id1:inputText1") works. Any ideas why?
