 1st attempt: change tsconfig.json to ```json { "compilerOptions": { "target": "ES2015", "module": "ESNext", } } ``` 2nd attempt: typescript 3.8.3 also error What is the configuration for using Optional chaining & Null coalescing?
1st attempt: change tsconfig.json to
{ "compilerOptions": { "target": "ES2015", "module": "ESNext", } }2nd attempt: typescript 3.8.3 also error
What is the configuration for using Optional chaining & Null coalescing?