text: let rndm_clr = [
  	flat_ui_color.alizarian, 
  	flat_ui_color.turqoise,
  	flat_ui_color.midnight_blue   
  ]
  var ii = 0;
  
  
  
  _onClick('btn_test',function(){
  	_qSelectorHTML("#btn_test","READY");
  });
  
  _onClick("btn_query",function(){
  	_qSelectorBackgroundCol(".my_class",rndm_clr[ii]);
  	if (ii==2)
  	{
  		ii=0;
  	}
  	else
  	{
  		ii++;
  	}
  	
  	_qSelectorHTML("#my_div",_randomStr(15));
  });
  
  
  _onClick("btn_query_all",function(){
  	_qSelectorBackgroundCol(".my_class",rndm_clr[ii],true);
  	if (ii==2)
  	{
  		ii=0;
  	}
  	else
  	{
  		ii++;
  	}
  
  });
  
  
  
  
  