JSFiddle - React, Tailwind, and code Playground

HTML

<input class="elements" value="initial 1" /><br />
<input class="elements" value="initial 2" /><br />
<input class="elements" value="initial 3" /><br />
<input class="elements" value="initial 4" /><br />
<input class="elements" value="initial 5" /><br />

JavaScript

$('.elements').on('focus', function() {
    if (this.value != '') 
        $(this).data('value', this.value);
    
    this.value = '';
});

$('.elements').on('blur', function() {
    if (this.value == '') 
        this.value = $(this).data('value')
});