javascript - chrome extension option page local storage set and get -

javascript - chrome extension option page local storage set and get -

i trying develop chrome extension, , when developing alternative page not restored successfully. have read several posting, didn't quite understand. appreciate if help.

var x = document.getelementbyid("x-frame"); function saveoptions(){ if(x.checked){ chorme.storage.local.set({"x-frame":"true"},function(){ console.log("x-frame saved"); }); } } function calloptions(){ chrome.storage.local.get("x-frame", function(obj){ if(obj.x-frame === "true"){ document.getelementbyid("x-frame").checked = true; } }) } document.addeventlistener('domcontentloaded', calloptions); document.getelementbyid("saveoptions").addeventlistener('click',saveoptions);

javascript google-chrome-extension get set local-storage