Web-Related Terms Beginning with R
Radix
Radix indicates the number of unique digits from zero (0) that you can use to express numbers in a standard positional numeral system.
React Component
A component is a JavaScript function (or class) that can accept arbitrary inputs (called "props") and returns an element (UI).
React Component Testing Tool
A React component testing tool provides helpful APIs for defining a component's test cases.
React Element
React element is the specific user interface (UI) you want to see displayed on-screen.
React Hooks
React hooks are functions used in a function component to hook into React's state object, lifecycle methods, and other React features without writing a class component.
React Props
React props are parameters used to pass arguments to components.
React Router
React Router is a popular routing library that tells React the specific component it should render based on the route (file path) a user requested through the URL.
React State
React state is a built-in object used to store a component's values that are likely to change over time.
ReactJS
React is a component-based JavaScript library used to build user interfaces (UI) efficiently.
Recursion
Recursion is a method by which a problem gets solved through iteration.
In other words, a recursive function is a function that repeatedly invokes itself infinitely (or until something stops it).
Regular Expression
A regular expression (RegExp) is a JavaScript element used to bundle the patterns you wish to find in a specific string of characters such as text, password, and email address.
Relative Length Units
Relative length units are dynamic units. In other words, the sizes of things expressed in any of the relative length units will always be dependent on another length.
Remote API
Remote APIs connect a caller to the resources and services of a remote system.
Remote Repository
A remote repository is the duplicated copy of a project's .git
repository hosted elsewhere—on the internet, on a network somewhere else, or in a different location on your computer.
Repeat (RegExp)
Regular expression's repeat operator ({...}
) specifies that you wish to find a repeated occurrence of the operator's preceding item.
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Repertoire
A repertoire (also called character set) is a group of characters collated for a specific purpose.
The purpose for collating characters could be computer related, like coding, or non-computer related, like music.
Here are some examples:
♠ ♠ ♥ ♥ ♣ ♣ ♦ ◊
is the symbols character set of a playing card suit. It consists of eight individual characters.9817
is the repertoire of a numeral value. It consists of four unique characters.
replace()
in JavaScript
replace() returns a new version of its calling string after replacing some specified patterns with a given replacement.