Async Leakageseses

leakers

var bad = function (options, callback) {
    
    var a = options.a;
    
    doSomethingAsync(function (err, res) {
        
        callback(err, res);
    });
};


var good = function (options, callback) {

    var a = options.a;
    
    doSomethingAsync(function (err, res) {
    
        delete options;
        delete a;
        
        callback(err, res);
    });
};