| # | title | topic | type | difficulty |
|---|---|---|---|---|
| 181 | Test the tester: isPalindrome() | Unit Testing | Write the tests | Easy |
| 182 | Test the tester: fizzBuzz() | Unit Testing | Write the tests | Medium |
| 183 | Test the tester: isBalanced() | Unit Testing | Write the tests | Medium |
| 184 | Test the tester: groupBy() | Unit Testing | Write the tests | Hard |
| 185 | Drag the output into order: async/await |
| Quiz: JS Questions |
| Drag & drop |
| Hard |
| 186 | Drag the output into order: closures in loops | Quiz: JS Questions | Drag & drop | Medium |
| 187 | Drag the coercion algorithm into order: [10] == 10 | Type Coercion | Drag & drop | Hard |
| 188 | Drag the property lookup into order | Objects | Drag & drop | Medium |
| 189 | Drag the output into order: references vs copies | Objects | Drag & drop | Medium |
| 190 | Coercion flow: false + 4 | Type Coercion | Drag & drop | Easy |
| 191 | Coercion flow: '5' + 1 | Type Coercion | Drag & drop | Easy |
| 192 | Coercion flow: '5' - 1 | Type Coercion | Drag & drop | Easy |
| 193 | Coercion flow: typeof typeof false | Type Coercion | Drag & drop | Easy |
| 194 | Coercion flow: !!'0' | Type Coercion | Drag & drop | Easy |
| 195 | Coercion flow: 1 + true | Type Coercion | Drag & drop | Easy |
| 196 | Coercion flow: '' || 'anon' | Type Coercion | Drag & drop | Easy |
| 197 | Coercion flow: null + 1 | Type Coercion | Drag & drop | Easy |
| 198 | Coercion flow: building the baNaNa | Type Coercion | Drag & drop | Medium |
| 199 | Coercion flow: 1 + '2' - 3 | Type Coercion | Drag & drop | Medium |
| 200 | Coercion flow: '5' - - '2' | Type Coercion | Drag & drop | Medium |
| 201 | Coercion flow: '10' < '9' | Type Coercion | Drag & drop | Medium |
| 202 | Coercion flow: 1 < 2 < 3 | Type Coercion | Drag & drop | Medium |
| 203 | Coercion flow: 3 > 2 > 1 | Type Coercion | Drag & drop | Medium |
| 204 | Coercion flow: null == undefined | Type Coercion | Drag & drop | Medium |
| 205 | Coercion flow: true + true + '1' | Type Coercion | Drag & drop | Medium |
| 206 | Coercion flow: NaN == NaN | Type Coercion | Drag & drop | Medium |
| 207 | Coercion flow: [] + {} | Type Coercion | Drag & drop | Hard |
| 208 | Coercion flow: {} + [] (statement position) | Type Coercion | Drag & drop | Hard |
| 209 | Coercion flow: [] == ![] | Type Coercion | Drag & drop | Hard |
| 210 | Coercion flow: null >= 0 | Type Coercion | Drag & drop | Hard |