Configuration Objects
Passing a large number of parameters is not convenient. A better approach is to substitute all the parameters with only one and make it an object.
var conf = { username: "batman", first: "Bruce", last: "Wayne" };
addPerson(conf);
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Pros |
Cons |
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• No need to remember the parameters and their order • You can safely skip optional parameters • Easier to read and maintain • Easier to add and remove parameters |
• You need to remember the names of the parameters • Property names cannot be minified |
This pattern could be useful when your function creates DOM elements.
JavaScript Patterns 4.9 Configuration Objects,布布扣,bubuko.com
JavaScript Patterns 4.9 Configuration Objects
原文：http://www.cnblogs.com/haokaibo/p/Configuration-Objects.html