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JavaScript Patterns 4.9 Configuration Objects
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);
Pros | Cons |
• 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.
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