JSFiddle - React, Tailwind, and code Playground

JavaScript

var htmlString = `
<div id="wrapper">
    <div class="div">Div 1</div>
    <div class="div">Div 2</div>
    <div class="div">Div 3</div>
    <p class="paragraph">P 1</p>
    <p class="paragraph">P 2</p>
    <p class="paragraph">P 3</p>
</div>
`;

// Вариант 1
var parser = new DOMParser(),
    doc = parser.parseFromString(htmlString, 'text/html');
[].forEach.call(doc.querySelectorAll('body *'), function(el){
	console.log(el);
});

/*
// Вариант 2
var tmp = document.createElement('div');
tmp.innerHTML = htmlString;
[].forEach.call(tmp.querySelectorAll('*'), function(el){
	console.log(el);
});
*/