JSFiddle - React, Tailwind, and code Playground

HTML

<span>1</span><span>2</span><span>3</span><span>4</span>

JavaScript

var node = document.getElementsByTagName("span")[0];
do{
    console.log(node);
}while(node = node.nextSibling)
    
    //-------//
    
var node = document.getElementsByTagName("span")[0];
while(node.nextSibling){
    console.log(node);
    node = node.nextSibling;
}