[Solved] Image icon/tag showing although dataset field is empty

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hello
please can anyone help me?

$w.onReady(() => {
//TODO: write your page related code here…
$w(“#repeater1”).onItemReady( ($w, itemData, index) => {
console.log(itemData.postImage);
if (itemData.postImage && itemData.postImage.length > 0) {
$w(“#image5”).show();
} else {
$w(“#image5”).collapse();
}

i tried implementing the code but it is not working.
this is the error it shows.

please help me out. i have been trying for three days now. i am starting to feel no hope