Using getElementsByClassName

Clicking the document will use Dom's getElementsByClassName method to collect all of the elements with the class bar applied.

div class="bar"

div class="bar-baz"

div class="bar "

div class=" bar "

div class=" bar baz"

div class=" bar2 baz"

div class="foo"

div class="foo" id="bar"

div class="foo bar baz"

p class="bar"