Passing parameters to Success method in executeQueryAsync in SharePoint

context.executeQueryAsync(Function.createDelegate(this,this.success)),
 Function.createDelegate(this, this.failed));

context.executeQueryAsync(
Function.createDelegate(this,function(){success(_parameter);}),
Function.createDelegate(this, this.failed));
function success(_parameter)
{
    alert("In Success Method! " + _parameter);
}

context.executeQueryAsync(
Function.createDelegate(this, function(){ _returnParam = success(_parameter);}),
Function.createDelegate (this, this.failed));
alert(_returnParam);

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