chrome.storage.sync.get("blacklist", result => { const runScript = document.createElement("script"); console.log("Result: " + result.blacklist); console.log(JSON.parse(result.blacklist)); runScript.textContent = "(" + function(blacklist) { console.log(blacklist) fa_filter_execute(blacklist); } + ")(" + result.blacklist + ")"; (document.head || document.documentElement).appendChild(runScript); });