Евгений Колотилин

var makeGroup = function(name,fun) {
    var newgroup = new group();
    newgroup.name=name;
    newgroup.status='ok';
    newgroup.stack=[];
    
    var oldRoot = root;
    root = newgroup;
    
    try {
        fun();
    }
    catch(e) {
        newgroup.status=e;
    }
    
    root = oldRoot;
    
    root.stack.push(newgroup);
}

var timeoutID;

$('#btn').click(function () {
    test();
});		

function test() {
    clearTimeout(timeoutID);
    timeoutID = setTimeout(function () {
        console.log('1'); 
    }, 3000);			
}