JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" placeholder="your text" />
<input type="text" placeholder="your text asd" />

JavaScript

$(function(){
 	$.each($('input, textarea'), function(index, value) {
		$(this).data('holder', $(this).attr('placeholder'));
	});

    $('input, textarea').focusin(function(){
        $(this).attr('placeholder','');
    });

    $('input, textarea').focusout(function(){
        $(this).attr('placeholder', $(this).data('holder'));
    });
})