Basics
TS Loops
Loop Structures
TypeScript loops include for and while with type-safe iteration.
Introduction to TypeScript Loops
Loops are essential constructs in TypeScript that allow you to execute a block of code multiple times. TypeScript supports several types of loops, such as for, while, and do...while. These loops can iterate over arrays, strings, or any iterable objects with added type safety, ensuring code reliability.
For Loop in TypeScript
The for loop is one of the most commonly used loops in TypeScript. It is typically used when the number of iterations is known beforehand. The syntax is similar to JavaScript, but TypeScript adds type safety to ensure variables are correctly used.
While Loop in TypeScript
The while loop is used when the number of iterations is not known and depends on a condition evaluated before each iteration. It provides a simple way to repeat a block of code as long as a specified condition is true.
Do...While Loop in TypeScript
The do...while loop is similar to the while loop, but it evaluates its condition after the block of code has been executed, ensuring that the block of code runs at least once.
Type-Safe Iteration with For...In Loop
The for...in loop iterates over the properties of an object. In TypeScript, this loop is type-safe, ensuring that you access the properties in a manner consistent with the object's type definition.
Conclusion
TypeScript loops provide a robust way to iterate over data structures with added type safety. Understanding these loops and their use cases is crucial for writing efficient TypeScript code. In the next post, we will explore the for...of loop, which offers a more straightforward syntax for iterating over iterable objects.
