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# Operating on collection

### [.each()](https://api.jquery.com/each/)

Iterate over a jQuery object, executing a function for each matched element.

### [jQuery.param()](https://api.jquery.com/jQuery.param/)

Create a serialized representation of an array, a plain object, or a jQuery object suitable for use in a URL query string or Ajax request. In case a jQuery object is passed, it should contain input elements with name/value properties.