JSFiddle - React, Tailwind, and code Playground

HTML

<div class="restore">Hello</div>
<div class="restore">World</div>
<div class="restore">Whats</div>
<div class="restore">Going</div>
<div class="restore">Down?</div>

CSS

.restore { font-family: 'courier' }

JavaScript

// Access all elements to restore
var restore = $(".restore");

// Save original HTML, and set new HTML
restore.each(function(i,o){
    var that = $(this);
    that.data("original", that.html())
        .html("Changed " + i);
});

// After 2 seconds, restore original HTML, remove stored data
setTimeout(function(){
    restore.each(function(i,o){
        var that = $(this);
        that.html( that.data("original") )
            .removeData( "original" );
    });
}, 2000);