Can I select multiple tags using getElementsByTagName?

Question

I\'m using a javascript snippet in order for visitors to my site to increase the font size on all paragraphs using the following javascript:

function increas         


        

Answer 1

No, you can't select multiple tags with a single call to getElementsByTagName. You can either do two queries using getElementsByTagName or use querySelectorAll.

JSFiddle

var elems = document.querySelectorAll('p,li')