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missing comma #103

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missing comma #103

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2 changes: 1 addition & 1 deletion ...avascript-conventions/how-to-create-default-parameters-for-functions/content.md
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Expand Up @@ -27,7 +27,7 @@ The first idiom is giving a default value for the last parameter. This is done b
betterExample("");


If the optional value is in the middle it can cause some undesired effects, since all the parameters are shifted over. The optional parameter is not the `undefined` value in this case - the last parameter is the `undefined` one. So you have to check if the last parameter is `undefined` and then manually fix all the other parameters before continuing in the code. This example shows you how to do that:
If the optional value is in the middle, it can cause some undesired effects, since all the parameters are shifted over. The optional parameter is not the `undefined` value in this case - the last parameter is the `undefined` one. So you have to check if the last parameter is `undefined` and then manually fix all the other parameters before continuing in the code. This example shows you how to do that:

example = function (param1, optParam, callback) {
if (typeof callback === 'undefined') {
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