Multiple data-target in Bootstrap?

In bootstrap you can toggle a .collapse element using button as I have done in my code. I am new to Bootstrap and understand that we are using data-toggle to select the property and data-target to select the element. But is there any way/syntax/options for multiple element and properties to be selected sth like data-target="#demo + #demo1 + #demo2"?

    <button type="button" class="btn btn-primary dropdown-toggle btn-sm" 
data-toggle="collapse" data-target="#demo">
    <div id="demo" class="collapse in">Demo</div>
    <div id="demo1" class="collapse in">Demo1</div>
    <div id="demo2" class="collapse in">Demo2</div>