thejh thejh - 1 year ago 97
Javascript Question

How to associate javascript objects with DOM nodes?

Can I, and if so, how can I associate javascript objects with DOM nodes? My requirements:

  • real objects, not just JSON-stringified-attributes or so

  • shouldn't leak memory

  • should also work in non-standard browsers like IE8 or so

I was thinking about doing it with a global array that holds the data and putting the indexes in attributes of the nodes, but that would leak memory because there's still a reference from the array to the data when the nodes aren't in th DOM anymore. It's for a web application, so that could be an issue.

Answer Source

Well, jQuery has the data system, which you could give a try. They say it's free from memory leaks.

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