TypeScript and Playwright Basics for Testers: A Git Primer
Learn TypeScript and Playwright basics for testers, plus the Git commands you need, so you can read, run and judge AI-generated automation code.
SQA Tools Blog
Learn testing and automation, one article at a time
Free tutorials, solved practice problems and interview prep for QA and automation engineers: Python, Playwright, Selenium, SQL, Git and more.
1,677Articles
1,141Solved Python problems
7Topics
100%Free
JavaScript & TypeScript articles
46 articles · page 1 of 4 · Clear filtersTypeScript OOP Practice Programs with Solutions (30 Programs)
30 TypeScript OOP programs with solutions: encapsulation, inheritance, polymorphism, abstraction, SOLID and design patterns used in test automation.
TypeScript Generics Practice Programs with Solutions (30 Programs)
30 TypeScript generics programs with solutions: generic functions, classes and interfaces, constraints, keyof, conditional and mapped types for QA code.
TypeScript Classes Practice Programs with Solutions (30 Programs)
30 TypeScript class programs with solutions: access modifiers, getters, setters, static members, abstract classes, inheritance and page object classes.
TypeScript Interfaces Practice Programs with Solutions (30 Programs)
30 TypeScript interface programs with solutions: extends, implements, generic interfaces, type guards, discriminated unions and page object contracts.
TypeScript Objects Practice Programs with Solutions (31 Programs)
31 TypeScript object programs with solutions: object types, optional and readonly fields, Record, Partial, Pick, Omit, keyof, mapped types and satisfies.
TypeScript Arrays and Tuples Practice Programs with Solutions (31 Programs)
31 TypeScript array and tuple programs with solutions: typed arrays, readonly, tuples, as const, type guards in filter, generic chunk, zip and partition.
TypeScript Functions Practice Programs with Solutions (31 Programs)
31 TypeScript function programs with solutions: typed parameters, overloads, callbacks, generics, assertion functions, async retry and test data builders.
TypeScript Loops Practice Programs with Solutions (30 Programs)
30 TypeScript loop practice programs with solutions: for, while, for...of with typed arrays, Map iteration, retries, polling and test result summaries.
TypeScript Conditions Practice Programs with Solutions (30 Programs)
30 TypeScript conditions practice programs with solutions: if/else, switch, type narrowing, type guards, assertion functions and exhaustive checks for QA.
TypeScript Operators Practice Programs with Solutions (30 Programs)
30 TypeScript operators practice programs with solutions: typeof, in, instanceof narrowing, keyof, satisfies, non-null assertion, ?? and ?. for test code.
TypeScript Data Types Practice Programs with Solutions (31 Programs)
31 TypeScript data types programs with solutions: tuples, enums, unknown, never, unions, intersections, type guards, Map and Set, type-checked in strict mode.
Preparing for a QA interview?
Take free timed mock tests with answers and explanations.