On click, returns the index (zero-based) of that div in the page.
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Демонстрация:
Returns the index for the element with ID bar.
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Демонстрация:
Returns the index for the first item in the jQuery collection.
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Демонстрация:
Returns the index for the element with ID bar in relation to all <li> elements.
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Демонстрация:
Returns the index for the element with ID bar in relation to its siblings.
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Демонстрация:
Returns -1, as there is no element with ID foobar.
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