typescript type or null
let stringOrNullValue: string | null = null;
//it an take null as well as other type.
stringOrNullValue = "someString";typescript type or null
let stringOrNullValue: string | null = null;
//it an take null as well as other type.
stringOrNullValue = "someString";typescript null and undefined check
if(!!someValue)typescript null and undefined check
let x = foo?.bar.baz();check null typescript
let x = foo ?? bar(); // return foo if it's not null or undefined otherwise calculate barCopyright © 2021 Codeinu
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