Filter your list, table, div without doing any js.
<label for="search">Search</label>
<input
data-em-search='true'
data-em-search-parent-searchable-selector='.item'
data-em-search-searchable-selector='.name'
type="text" name="search" id="search" placeholder="Search"/>
<div class="item">
<div>
<span class="name">Nom 1</span>
</div>
<div>
<span class="name">Nom 2</span>
</div>
<div>
<span class="name">Nom 3</span>
</div>
</div>