if (typeof dataLayer !== "undefined") {
dataLayer.push({
"ecommerce": {
"currency": "CNY",
"impressions": [
{
"id": "57290",
"name": "FX 3 Stepover Gen 4",
"price": "6580.0",
"brand": "Trek",
"category": "Active & fitness bikes",
"variant": "red",
"list": "CATEGORY",
"position": 1
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} else {
console.log("dataLayer");
}