--- (1) --- meow --- (2) --- eating eating eating bark meow Error: Method 'say()' must be implemented. at Horse.say (E:\Angular\JS\oop\Abstract.js:58:15) at Object. (E:\Angular\JS\oop\Abstract.js:106:17) at Module._compile (node:internal/modules/cjs/loader:1256:14) at Module._extensions..js (node:internal/modules/cjs/loader:1310:10) at Module.load (node:internal/modules/cjs/loader:1119:32) at Module._load (node:internal/modules/cjs/loader:960:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) at node:internal/main/run_main_module:23:47 Error: Abstract classes can't be instantiated. at new Animal1 (E:\Angular\JS\oop\Abstract.js:54:19) at Object. (E:\Angular\JS\oop\Abstract.js:112:5) at Module._compile (node:internal/modules/cjs/loader:1256:14) at Module._extensions..js (node:internal/modules/cjs/loader:1310:10) at Module.load (node:internal/modules/cjs/loader:1119:32) at Module._load (node:internal/modules/cjs/loader:960:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) at node:internal/main/run_main_module:23:47