ype 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string

let name1:string = person.name as string;

0
8
IllusiveBrian 18110 points

                                    let name1:string = person.name!; 
//                            ^ note the exclamation mark here  

0
0
4
1
Awgiedawgie 440220 points

                                    this.property.Name = data?.Name || '{}';

4 (1 Votes)
0
Are there any code examples left?
Create a Free Account
Unlock the power of data and AI by diving into Python, ChatGPT, SQL, Power BI, and beyond.
Sign up
Develop soft skills on BrainApps
Complete the IQ Test
Relative searches
Type 'number' is not assignable to type '3 | 1 | undefined'. Type 'string | null' is not assignable to type 'string | undefined'. Type 'null' is not assignable to type 'string | undefined'. TS2322 undefined' is not assignable to type Type 'string | null | undefined' is not assignable to type '{}'. ype 'undefined' is not assignable to type 'string' is not assignable to type 'string | undefined'. js type string is not assignable to type undefined Type 'string' is not assignable to type '| undefined'. type is not assignable to type \ undefined Type 'false | "step-number"' is not assignable to type 'string | undefined'. Type 'false' is not assignable to type 'string | undefined'. Type {} is not assignable to type 'string' Type 'string' is not assignable to type 'Placement | undefined'. Type 'undefined' is not assignable to type 'string | Blob'. Type 'Maybe<string> | undefined' is not assignable to type 'string'. 'undefined' is not assignable to type type undefined is not assignable to type string Argument of type 'string | undefined' is not assignable to parameter of type 'string | Blob'. Type 'undefined' is not assignable to type 'string | Blob'.ts(2345) ype 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string Type 'string | undefined' is not assignable to type Type 'string | undefined' is not assignable to typ Type 'string' is not assignable to type 'AsObject | undefined' undefined is not assignable to type string Type '(string | undefined)[]' is not assignable to type 'string[]'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string' Type 'true' is not assignable to type 'string | undefined'.ts(2322) Type 'string | undefined' is not assignable to type 'string' api Type 'string | string[] | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. type 'string | undefined' is not assignable to type 'undefined'. Type 'string' is not assignable to type 'undefined'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'.ts undefined is not assignable to type number Type 'string[] | undefined' is not assignable to type 'string[]'. Type 'undefined' is not assignable to type 'string[]'.ts(2322) Type 'string | null | undefined' is not assignable to type 'null'. Type 'undefined' is not assignable to type 'null'.ts(2322) Type 'null' is not assignable to type 'string | (() => string) | undefined'. Type 'string | number' is not assignable to type 'number | undefined' react type 'undefined' is not assignable to type Type 'string | null | undefined' is not assignable to type Type 'string | null | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string' Type 'true' is not assignable to type 'string | number | readonly string[] | undefined'. Type 'string' is not assignable to type '"string" Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string' typescript config type undefined is not assignable to type number Type '(e: any) => undefined' is not assignable to type '() => void'. Argument of type 'string | string[] | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'.ts(2345) type 'undefined' is not assignable to type object Type 'number | undefined' is not assignable to type 'number'. Type 'undefined' is not assignable to type 'number'.ts Type 'number | undefined' is not assignable to type 'number'. Type 'undefined' is not assignable to type 'number'.ts(2322) Type 'number' is not assignable to type 'string | any[] | null | undefined'. null is not assignable to type 'Experience | undefined'. Type 'unknown' is not assignable to type 'string | undefined'. type 'number | undefined' is not assignable to type 'number type 'string' is not assignable to type string Argument of type 'string | null | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'.ts(2345) Type 'string | null | undefined' is not assignable to type 'string | number | string[] | undefined'. Type 'null' is not assignable to type 'string | number | string[] | undefined'. Type 'null' is not assignable to type 'number | undefined' Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. TS2345 Type 'string' is not assignable to type 'T'. Element' is not assignable to type 'string' Type 'string | undefined' is not assignable to type 'string | null'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'.t Type 'string | null | undefined' is not assignable to type 'string | undefined'. Type 'string | undefined' is not assignable to type 'Url'. Type 'String' is not assignable to type 'string | number | readonly string[] | undefined'. typescript type undefined is not assignable to string typescript undefined is assignable to type string 'null' is not assignable to type 'number | undefined' type 'string' is not assignable to type '\' type 'string | undefined' is not assignable to type '"key" | "body" | react native type 'string | undefined' is not assignable to type '"key" | "body" | Type 'string | undefined' is not assignable to type 'number'. Type 'object | undefined' is not assignable to type 'BaseCategoriesResponse[]'. Type 'undefined' is not assignable to type Type 'string | number | string[] | undefined' is not assignable to type 'string'. Type 'string' is not assignable to type 'string[]' Type 'string | undefined' is not assignable to type 'string'. typescript object Type 'string | ArrayBuffer | null | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'.ts(2322) is not assignable to type 'Symbol | undefined' is not assignable to type 'Symbol | undefined' Type 'string' is not assignable to type '{ [k: string]: any; } | undefined'.ts(2322) Type 'string' is not assignable to type 'BookType | undefined' Type 'T' is not assignable to type 'string | number | symbol' Type 'Promise<string | undefined>' is not assignable to type 'string'. Type 'String' is not assignable to type 'Key | null | undefined'. Type 'string | null' is not assignable to type 'string | number | readonly string[] | undefined'. react undefined' is not assignable to type type is not assignable to type 'string Type 'string' is not assignable to type 'AndroidMode | undefined' Type 'null' is not assignable to type 'string | undefined' typescript 'number | undefined' is not assignable to type 'number' Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'undefined' is not assignable to parameter of type 'string' Type 'string | number | symbol' is not assignable to type 'string | number | undefined' on :key Type 'undefined' is not assignable to type 'number' angular Type 'undefined' is not assignable to type 'number' html type number is not assignable to type undefined undefined is not assignable to type Type 'number | undefined' is not assignable to type 'string | number'. Type 'undefined' is not assignable to type 'string | number'.ts(2322) index. with paddingTop reactnative Type 'number | undefined' is not assignable to type 'string | number'. Type 'undefined' is not assignable to type 'string | number'.ts(2322) index. with paddingTop Argument of type 'string | null | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string' typescript undefined is not assignable to type string Type 'string | null' is not assignable to type 'string | undefined' Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string' Type 'Object | undefined' is not assignable to type 'Object'. Type 'undefined' is not assignable to type 'Object Type 'null' is not assignable to type 'string | undefined' firebase auth angular Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'.ts(2322) uid angular Type 'string | undefined' is not assignable to type 'String'. Type 'Maybe<string>' is not assignable to type 'string | number | readonly string[] | undefined'. Type 'string | undefined' is not assignable to type 'secretType Type '{ id: string; name: string; } | undefined' is not assignable to type pasrseInt Type 'undefined' is not assignable to type 'string' Type 'undefined' is not assignable to type 'string'.ts(2322) firebase Type 'undefined' is not assignable to type 'string'.ts(2322) Type 'undefined' is not assignable to type 'Element | null'. arument of type 'undefined' is not assignable to parameter of type 'string' Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string' on html Type 'string | undefined' is not assignable to type 'SetStateAction<string>' Type 'string' is not assignable to type '"body" | undefined'. 'string | undefined' is not assignable to type 'string' the type undefined is not assignable to the type object Type 'number | undefined' is not assignable to type 'number'. Type 'undefined' is not assignable to type 'number'. Type 'number' is not assignable to type '0 | 1 | undefined'. angular Type 'null' is not assignable to type 'string | undefined' typescript 2021 'string | undefined' is not assignable to type 'string' Type 'undefined' is not assignable to type 'string | string[] | Buffer'. Type 'string' is not assignable to type . undefined is not assignable to its type angular Type null is not assignable to type undefined. Type 'string | string[] | undefined' is not assignable to type 'string | string[]'. undefined is not assignable to type for Type 'undefined' is not assignable to type ''. angular string null undefined' is not assignable to type 'string undefined' Type '((() => string) | undefined)[]' is not assignable to type 'string[]'. Type '() => string' is not assignable to type 'string'. Type 'null' is not assignable to type 'string | number | readonly string[] | undefined'. Type 'null' is not assignable to type 'string | number | readonly string[] | undefined' Type 'String' is not assignable to type 'string'. Type 'string' is not assignable to type 'string[] | undefined'. type 'string' is not assignable to type | Type 'string' is not assignable to type 'HTMLElement | undefined' Type 'undefined' is not assignable to type 'string[]' Type 'string | null | undefined' is not assignable to type 'string | null'. Type 'undefined' is not assignable to type 'string | null'.ts(2322) Type 'undefined' is not assignable to type 'number' Type '() => number' is not assignable to type 'string | number | undefined'. Type '() => number' is not assignable to type 'number'.ts(2322) Type 'string | null' is not assignable to type 'string | undefined'. className react Type 'string | null' is not assignable to type 'string | undefined'. Type 'null' is not assignable to type 'string | undefined Type 'Object' is not assignable to type 'string'. Argument of type 'string | undefined' is not as signable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string | null' is not assignable to type 'string | undefined'. Type 'null' is not assignable to type 'string | undefined' Type 'string | null' is not assignable to type 'string | undefined'.   Type 'null' is not assignable to type 'string | undefined'. Type 'number' is not assignable to type 'string | undefined' type 'null' is not assignable to type 'string undefined'.ts(2322) ts error Type 'string[] | undefined' is not assignable to type '(string | Element)[]'. typescript type 'string' is not assignable to type 'string undefined' typescript type 'string undefined' is not assignable to type 'string' 'undefined' is not assignable to type 'string'." Type 'string | number | undefined' is not assignable to type 'string | undefined'. Property 'login' of type 'string | undefined' is not assignable to string index type 'string' Type 'string | null' is not assignable to type 'string | undefined' Type 'undefined' is not assignable to type 'number | null' Type 'undefined' is not assignable to type 'string not assignable to type undefined type 'undefined' is not assignable to type 'object' type 'null' is not assignable to type 'object undefined' type 'undefined' is not assignable to type 't' error TS2322: Type 'string | boolean | undefined' is not assignable to type 'string | undefined'. [19:36:01] Type 'false' is not assignable to type 'string | undefined'. Argument of type 'string | null' is not assignable to parameter of type 'string | undefined'. Type 'null' is not assignable to type 'string | undefined'. type string is not assignable to type string | undefined Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'.ts(2322) string | undefined is not assignable to type string Type 'string' is not assignable to type ' Type 'string' is not assignable to type 'Color | undefined' Type 'undefined' is not assignable to type 'string' mitt Type 'undefined' is not assignable to type 'string' Type 'string' is not assignable to type 'Color | undefined'. Type 'true' is not assignable to type 'string | undefined' Type 'string | undefined' is not assignable to type 'string'. strict string | undefined' is not assignable to type 'string' Type '{}' is not assignable to type 'string' Type 'HTMLDivElement | null' is not assignable to type 'string | Element | undefined' Type 'Maybe<string> | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. undefined is not assignable to type string typescript Type 'undefined' is not assignable to type 'string | number'. Type 'string | (() => string)' is not assignable to type 'string | number | readonly string[] | undefined'. Type 'Function' is not assignable to type 'undefined'. Type 'string' is not assignable to type 'number | undefined' angular (property) PgResponseData.orderAmount?: string | undefined Type 'string | 0' is not assignable to type 'string | undefined'. Type '0' is not assignable to type 'string | undefined'.ts(2322) Type 'string' is not assignable to type 'number | undefined' Type 'string' is not assignable to type 'null | undefined'. Type 'null' is not assignable to type 'string | undefined'.ts(2322) argument of type string undefined is not assignable type undefined is not assignable to type Type 'string' is not assignable to type 'string[] Type 'undefined' is not assignable to type 'string | ConcatArray<string> Type 'String | ""' is not assignable to type 'string'. undefined' is not assignable to type 'number' Type 'string' is not assignable to type 'T Type 'number' is not assignable to type 'string | undefined'.ts(2344) Type 'null' is not assignable to type 'string | undefined'. Type 'undefined' is not assignable to type 'string'.ts(2345) angular window Type 'string | undefined' is not assignable to type 'string' Type []' is not assignable to type 'string[]' javascript Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string' Type 'number | undefined' is not assignable to type 'number'. Type 'undefined' is not assignable to type 'number Type 'number' is not assignable to type 'undefined' Type '{ "": undefined; }' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string | null' is not assignable to type 'string | undefined'. Type 'string' is not assignable to type 'HTMLImageElement | undefined'. Type '{ access: string; status?: undefined; device?: undefined; }' is not assignable to type 'string' Type 'string' is not assignable to type type 'undefined' is not assignable to type 'string' typescript Type 'undefined' is not assignable to type 'string'. react Type 'number | undefined' is not assignable to type 'number'. Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'.t type string undefined is not assignable to type string Type 'string' is not assignable to type 'undefined'.ts(2322) Type 'string | null | undefined' is not assignable to type 'string | undefined' Type 'undefined' is not assignable to type 'Bank[]'. Type 'undefined' is not assignable to type '[]' Type 'undefined' is not assignable to type undefined' is not assignable to type []'. Type 'undefined' is not assignable to type [] typescript Type '(string | undefined)[]' is not assignable to type 'string[]' Type 'undefined' is not assignable to type 'string | number'. TS2345 Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'.ts(2345) Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string' is not assignable to type '""' Type 'void | undefined' is not assignable to type 'string[]'. Type 'undefined' is not assignable to type 'string[]'.ts(2322) Argument of type 'string | undefined' is not assignable to parameter of type 'string'. Type 'string | undefined' is not assignable to type 'string' Type '() => string' is not assignable to type 'string' Type 'undefined' is not assignable to type 'number'. Type 'undefined' is not assignable to type '[]'. Type 'string' is not assignable to type 'keyof Argument of type 'string | undefined' is not assignable to parameter of type 'string | (() => string)' process.env Type 'string | undefined' is not assignable to type 'string'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Type 'string | undefined' is not assignable to type . Type 'string' is not assignable to type Type 'string | undefined' is not assignable to type 'string | string[]' Type 'String' is not assignable to type '[{ type: String; }]' Type 'String' is not assignable to type '[{ type: String; }] TS2345: Argument of type '(string | undefined)[]' is not assignable to parameter of type 'string[]'. Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string'. Argument of type 'string | undefined' is not assignable to parameter of type 'string' Type 'string | undefined' is not assignable to type 'string'. Type 'undefined' is not assignable to type 'string' Type 'string | undefined' is not assignable to type 'string'.
Made with love
This website uses cookies to make IQCode work for you. By using this site, you agree to our cookie policy

Welcome Back!

Sign up to unlock all of IQCode features:
  • Test your skills and track progress
  • Engage in comprehensive interactive courses
  • Commit to daily skill-enhancing challenges
  • Solve practical, real-world issues
  • Share your insights and learnings
Create an account
Sign in
Recover lost password
Or log in with

Create a Free Account

Sign up to unlock all of IQCode features:
  • Test your skills and track progress
  • Engage in comprehensive interactive courses
  • Commit to daily skill-enhancing challenges
  • Solve practical, real-world issues
  • Share your insights and learnings
Create an account
Sign up
Or sign up with
By signing up, you agree to the Terms and Conditions and Privacy Policy. You also agree to receive product-related marketing emails from IQCode, which you can unsubscribe from at any time.
Creating a new code example
Code snippet title
Source