JSFiddle - React, Tailwind, and code Playground

HTML

<span class="we w_o_r_d_s" id="we" contenteditable="false">we</span>

JavaScript

var span = '<span class="we w_o_r_d_s" id="we" contenteditable="false">we</span>'; 
var tmp = document.createElement('p'); 
tmp.innerHTML=span;
console.log(tmp.childNodes[0].id);