JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li class="one">Test1</li>
    <li class="one">Test2</li>
    <li class="one">Test3</li>
    <li class="two">Test4</li>
    <li class="two">Test5</li>
    <li class="two">Test6</li>

JavaScript

var stringsToStringify = $('.one, .two'),
            stringArray = []

    $.each(stringsToStringify, function (i, v) {
        stringArray[i] = $("<p>").append($(v).clone()).html();
    })

    console.log(stringArray)
    var jsonString = JSON.stringify(stringArray)
    console.log(jsonString)
    console.log(JSON.parse(jsonString))