How to getElementByClass instead of GetElementById with JavaScript?

Question

I\'m trying to toggle the visibility of certain DIV elements on a website depending on the class of each DIV. I\'m using a basic JavaScript snippet to toggle them. The probl

Answer 1

Append IDs at the class declaration

.aclass, #hashone, #hashtwo{ ...codes... }
document.getElementById( "hashone" ).style.visibility = "hidden";