save large chunk of JSON without cookies

I am writing an HTML/JavaScript program that gives me a JSON object as a string.

I want to save that string as a cookie, but the string is too large to 开发者_如何转开发be saved as a cookie.

How can this JSON string be saved without cookies?

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Depending on browser coverage, you can use HTML LocalStorage object. Or flash cookies as an alternative.

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Does it need to stick around when you leave the page? If not, just store it in a javascript variable.

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Save it in the session or cache it?

We need to know more information. What framework are you using? Is the only technology you want to use HTML/Javascript?

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The two sort of mainstream ways to do this are to store it in local or server side databases:

So server side you can look at SQL Server, MySQL, PostgreSQL, Oracle, etc. Client side you can look at Local Storage: http://diveintohtml5.ep.io/storage.html