JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="field" value="Some Text">

JavaScript

var orig_text = $('#field').val();
$('#field').focus(function(){
    var current_text = $(this).val();
    if(current_text != orig_text){}
    else{ $(this).val(''); }
}).focusout(function(){
    var current_text = $(this).val();
    if(current_text == '')
    { $(this).val(orig_text); };
});