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Javascript sessionStorage Across tabs?

rated 0 times [ 2] [ 2] / answers: 1 / hits: 18272 / 7 Years ago, mon, april 3, 2017, 12:00:00

I am using sessionStorage to ensure an action only happens once per session. However, if a user opens a new window - the sessionStorage is not carried over to the new window, and the action is executed again. See my code below:

if sessionStorage.alreadyTracked != 1

  sessionStorage.alreadyTracked = 1

  ...

Is there an easy way to do this that applies to all tabs? Maybe I need to use a cookie?

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alexandreah

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answered 7 Years ago isaacvalentinn · Accepted Answer

As far as html5 storage goes i would go for localStorage in your case.

See below for the differences.

Session Storage:

Values persist only as long as the window or tab in which they

stored.

Values are only visible within the window or tab that
created them.

Local Storage:

Values persist window and browser lifetimes.

Values are shared across every window or tab running at the same origin.