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JavaScript JavaScript and the DOM Making Changes to the DOM Set Inline Styles with the style Property

Posted by ilia kolbas
ilia kolbas
824 Points

why .document.getElementsByClassName(' ') instead of document.querySelector('. ') doesnt work? console shows a mistake

why .document.getElementsByClassName(' ') instead of document.querySelector('. ') doesnt work? console shows a mistake addEventListener is not a function, but when I CHANGE it to queryselector everything works as it should?

1 Answer

Steven Parker
Steven Parker
229,783 Points
Steven Parker
Steven Parker
229,783 Points

One major difference between these functions is that querySelector returns a reference to a single element, but getElementsByClassName returns an element collection (which is like an array).