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+---
+title: Browse Algolia index and update objects (JS)
+description: Browse Algolia index and update objects (JS)
+tags: ["algolia"]
+---
+
+```js
+const algolia = require("algoliasearch");
+const client = algolia("<YOUR-APP-ID>", "<YOUR-WRITE-API-KEY>");
+
+const index = client.initIndex("<YOUR-INDEX-NAME>");
+
+function transformFunction(hit) {
+  return {
+    ...hit,
+    foo: "bar",
+  };
+}
+
+async function transformObjects(batch, isDryRun) {
+  const newArr = batch.map((el) => {
+    return transformFunction(el);
+  });
+
+  // Dry run
+  if (isDryRun) {
+    console.log(newArr, "no objects were updated, this is a dry run");
+  }
+
+  // Real run
+  else {
+    try {
+      const data = await index.saveObjects(newArr);
+      const { objectIDs } = data;
+      console.log(
+        "The following objectIDs were successfully updated:",
+        objectIDs
+      );
+    } catch (err) {
+      console.log("an error occurred updating the records", err);
+    }
+  }
+}
+
+index
+  .browseObjects({
+    query: "",
+    batch: (batch) => {
+      transformObjects(batch, false);
+    },
+  })
+  .then(() => console.log("code completed"));
+```