How to Get Element By Class in JavaScript?

Question

I want to replace the contents within a html element so I\'m using the following function for that:

function ReplaceContentInContainer(id,content) {
   var c         


        

Answer 1

var elems = document.querySelectorAll('.one');

for (var i = 0; i < elems.length; i++) {
    elems[i].innerHTML = 'content';
};