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typescript ignore if null

CTN answered on January 2, 2024 Popularity 9/10 Helpfulness 3/10

answer typescript ignore if null

typescript ignore if null

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// If you know from external means that an expression is not null or undefined, 
// you can use the non-null assertion operator ! to coerce away those types
// operator docs: https://www.typescriptlang.org/docs/handbook/2/everyday-types.html#non-null-assertion-operator-postfix-

// Error, some.expr may be null or undefined
let x = some.expr.thing;
// OK
let y = some.expr!.thing;

Popularity 9/10 Helpfulness 3/10 Language typescript

Source: stackoverflow.com

Tags: ignore null typescript

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