How to get and set item by localstorage in iframe?

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// Get the iframe element
var iframe = document.getElementById('myIframe');

// Access localStorage of the iframe's content window
var iframeStorage = iframe.contentWindow.localStorage;

// Get an item from localStorage
var value = iframeStorage.getItem('key');
console.log(value);

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// Get the iframe element
var iframe = document.getElementById('myIframe');

// Access localStorage of the iframe's content window
var iframeStorage = iframe.contentWindow.localStorage;

// Set an item to localStorage
iframeStorage.setItem('key', 'value');