FMFidelis Mundiainwandia.hashnode.dev·Dec 5, 2022 · 5 min readImmutability in ReactjsMutability is the ability to change. In Javascript, there are mutable and immutable data types. Strings, numbers, and booleans are immutable while arrays and objects are mutable. Immutability Data that is immutable cannot be changed. Immutability wor...00
FMFidelis Mundiainwandia.hashnode.dev·Aug 13, 2022 · 7 min readIntroduction to PromisesAt times while coding, we have operations that take an unknown amount of time to run and give back a result. Promises are a good way of handling such operations(asynchronous operations). For example, fetching data from a server using an API. Fetching...00
FMFidelis Mundiainwandia.hashnode.dev·May 30, 2022 · 3 min readJavascript ScopeWhat is Scope in Javascript? Javascript variables exist within a scope. Scope is the context or environment in which code exists. This determines whether a piece of code can be accessed by other code. When dealing with variables, it is important to c...00