typescript default value if null

houstika answered on February 15, 2022 Popularity 6/10 Helpfulness 2/10

answer typescript default value if null

related typescript default value null or undefined

typescript default value if null

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/* Use || operator to assign a default value whence the first variable
evaluates to a 'falsy' value
	- Example with strings (you can replace string with any type T) */

let x: string | null = null;
let y: string = x || "My default value"

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Contributed on Feb 15 2022

houstika

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typescript default value null or undefined

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The value undefined means value is not assigned 
  & you don’t know its value.
  It is an unintentional absence of value.
  It means that a variable has been declared but has not yet
  been assigned a value.

The value null indicates that you know that the field does not
  have a value. It is an intentional absence of value.

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Source: www.tektutorialshub.com

Tags: default-value typescript null undefined

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Contributed on Apr 05 2022

Clever Cowfish

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typescript default value if null

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typescript default value if null

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typescript default value null or undefined

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