TypeScript Archives - ItsJavaScript

NPM package cannot be used as a JSX component

2 minute read

[Solved] NPM package cannot be used as a JSX component

Srinivas
April 15, 2022

The NPM package cannot be used as a JSX component error occurs if you have installed multiple versions of @types/react package, one with version 18 and another with version 17.0.2 The @types/react is…

The operand of a 'delete' operator must be optional

TypeScript

3 minute read

[Solved] The operand of a ‘delete’ operator must be optional

Srinivas
April 14, 2022

The operand of a ‘delete’ operator must be optional error occurs when you try to use delete operator in strictNullChecks to delete the property that is marked as required. In…

Object is possibly 'undefined' error in TypeScript

TypeScript

3 minute read

[Solved] Object is possibly ‘undefined’ error in TypeScript

Srinivas
June 8, 2022

The Object is possibly ‘undefined’ occurs when we try to access a property of an object that is undefined. Sometimes few properties in TypeScript can be defined as optional and…

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TypeError: substring is not a function

JavaScript

2 minute read

[Solved] TypeError: substring is not a function

June 25, 2022

TypeError: replaceAll is not a function

JavaScript

3 minute read

[Solved] TypeError: replaceAll is not a function

June 25, 2022

TypeError: startsWith is not a function

JavaScript

2 minute read

[Solved] TypeError: startsWith is not a function

June 25, 2022

TypeError: split is not a function

JavaScript

2 minute read

[Solved] TypeError: split is not a function

June 25, 2022