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Javascript Chrome.storage.sync.get未在局部变量中存储值 函数getBugVal(){ var bugVal=“”; chrome.storage.sync.get('bugId',函数(obj){ console.log(obj.bugId); bugVal=obj.bugId; log(bugVal+“_Javascript_Asynchronous - Fatal编程技术网

Javascript Chrome.storage.sync.get未在局部变量中存储值 函数getBugVal(){ var bugVal=“”; chrome.storage.sync.get('bugId',函数(obj){ console.log(obj.bugId); bugVal=obj.bugId; log(bugVal+“

Javascript Chrome.storage.sync.get未在局部变量中存储值 函数getBugVal(){ var bugVal=“”; chrome.storage.sync.get('bugId',函数(obj){ console.log(obj.bugId); bugVal=obj.bugId; log(bugVal+“,javascript,asynchronous,Javascript,Asynchronous,是的。异步代码就是这样工作的。您必须使用回调。类似的东西可能会工作 console.log(bugVal + "<- val inside get sync"); 他们本可以从storage.SYNC中漏掉SYNC这个词的,不是吗? console.log(bugVal + "<- val inside get sync"); function workWithBugVal(val) { // Do stuff } function getBugVal(callback

是的。异步代码就是这样工作的。您必须使用回调。类似的东西可能会工作

console.log(bugVal + "<- val inside get sync");

他们本可以从storage.SYNC中漏掉SYNC这个词的,不是吗?
console.log(bugVal + "<- val inside get sync");
function workWithBugVal(val) {
    // Do stuff
}

function getBugVal(callback) {
    var bugVal = "";

    chrome.storage.sync.get('bugId', function (obj) {
        console.log(obj.bugId);
        bugVal = obj.bugId;
        callback(bugVal);
    });
}

getBugVal(workWithBugVal);