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+---
+title: nor
+tags: math,logic,beginner
+unlisted: true
+---
+
+Checks if none of the arguments are `true`.
+
+- Use the logical not (`!`) operator to return the inverse of the logical or (`||`) of the two given values.
+
+```js
+const nor = (a, b) => !(a||b);
+```
+
+```js
+nor(true, true); // false
+nor(true, false); // false
+nor(false, false); // true
+```