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Learning jQuery Third Edition by Karl Swedberg, Jonathan Chaffer

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Accessing DOM elements

Every selector expression and most jQuery methods return a jQuery object. This is almost always what we want, because of the implicit iteration and chaining capabilities that it affords.

Still, there may be points in our code when we need to access a DOM element directly. For example, we may need to make a resulting set of elements available to another JavaScript library. Additionally, we might need to access an element's tag name, which is available as a property of the DOM element. For these admittedly rare situations, jQuery provides the .get() method. To access the first DOM element referred to by a jQuery object, we would use .get(0). If the DOM element is needed within a loop, then we would use .get(index). So, if we ...

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