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local storage - Is writing the same value to localStorage again inefficient?

Which would be more efficient?

Repeatedly running localStorage.setItem("foo", val), or checking if (localStorage.getItem("foo") !== val) and then running localStorage.setItem("foo", val)? Is it fine to run these as often as every two seconds?

question from:https://stackoverflow.com/questions/65626603/is-writing-the-same-value-to-localstorage-again-inefficient

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