JSFiddle - React, Tailwind, and code Playground
HTML
<select class="col s2 mySelectServices" id="mySelectServices" name="mySelectServices" multiple="multiple"
>
<option value="" disabled selected>Filtre par Services</option>
<option value="" disabled selected>Filtre par Services</option>
<option value="" disabled selected>Filtre par Services</option>
<option value="" disabled selected>Filtre par Services</option>
<option value="" disabled selected>Filtre par Services</option>
</select>
<input type="button" value="all" id="all" data-sel="none"/>
JavaScript
$(function () {
$('#all').on ('click', function(){
$(this).data('sel', ($(this).data('sel')=="none")?"all":"none" );
$('#mySelectServices option').prop('selected', $(this).data('sel')=="all")
console.log( $(this).data('sel') )
})
});