For basic query selector

var me = _qSelector("#btn_test");



For query selector only 1 class for change background colour

_qSelectorBackgroundCol(".my_class",flat_ui_color.alizarian);

For query selector all of element with the same class for change background colour

_qSelectorBackgroundCol(".my_class",flat_ui_color.alizarian,true);

Hello World 1

Hello World 2

Hello World 3

Hello World 4

Hello World 5


or for query selector inner HTML by id of element

_qSelectorHTML("#my_div",_randomStr(15));

Lorem Ipsum