--- id: 5d5b66ce07f328a948d398d7 title: Part 11 challengeType: 0 dashedName: part-11 --- # --description-- You can also declare variables with the `const` key word. Since `button1` is a constant that will never change, switch the `let` keyword that declares the variable to `const`. # --hints-- See description above for instructions. ```js assert(/const\s+button1\s*/.test(code)); ``` # --seed-- ## --before-user-code-- ```html