JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="edit-search" name="search" value="Search" size="30" maxlength="128" class="form-text">
JavaScript
var defaultText = $('input[type=text]').val();
$('input[type=text]').focus(function() {
$(this).val('');
});
$('input[type=text]').blur(function() {
$(this).val(defaultText); // fixed!
});