Answer: How to Fix Uncaught ReferenceError: thumbnail is not defined - with below code

answer re: How to Fix Uncaught ReferenceError: thumbnail is not defined - with below code

May 30 '21

1

it happens because some posts does not have images or images hosted externally, we can use a fallback image like this

for (var i = 0; i < json.feed.entry.length; i++) {
    var title = json.feed.entry[i].title.$t
    var url = json.feed.entry[i].link.pop().href;

    // define thumbnail variable
    var thumbnail;

    if (json.feed.entry[i].media$thumbnail) {
        thumbUrl =

…

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