Placeholder для старых браузеров и Internet Explorer версии < 10
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script src="jquery.placeholder.js"></script>
var options = {
color: 'green' // placeholder text color
};
$(element).placeholder(options);
<input type="search" class="placeholder-input-1" data-placeholder="Введите фразу для поиска"/>
<input type="text" class="placeholder-input-2" data-placeholder="Введите ваше имя" data-placeholder-color="gray">
$('.placeholder-input-1').placeholder();
$('.placeholder-input-2').placeholder();