Web-Related Terms Beginning with F
Fake (TDD)
Fake is a test double used to create a working test implementation of an external dependency with dynamic values.
Falsy (JS)
Falsy values are values JavaScript considers to be false.
The seven falsy values in JavaScript are: 0 (zero), false, "" (empty string), NaN, null, undefined, and 0n (BigInt zero).
File Path (URL)
A URL's file path is the path (route) to a website's resource on a web server.
filter() in JavaScript
filter() creates a new array that contains all the calling array's elements that passed the test specified by the method's function argument.
Fisher-Yates Shuffle
Fisher-Yates shuffle is an algorithm for generating random arrangements of an array.
Flags (RegExp)
Flags are operators used to specify how you want the computer to interpret a regular expression pattern.
Floating Element in CSS
A floating element is one whose float property's value is not none.
Font
A font is a specific style used to alter a text's appearance.
for…in Loop Statement (JS)
A for...in loop instructs the computer to loop through each property in a given object.
for…of Loop Statement (JS)
A for...of loop instructs the computer to loop through each of an iterable object's values.
forEach() in JavaScript
The forEach() method executes its function argument once for each item of the calling array.
Fragmentation Properties in CSS
The CSS fragmentation properties specify how browsers should display fragmented (divided) content.
Framework
A framework is a codebase written to serve as the primary structure for your application.
Function (JS)
A JavaScript function is an executable piece of code developers use to bundle a block of zero or more statements.
Function Body
A function's body is where you place a sequence of statements you want to execute.
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Function Component
A function component is a regular JavaScript function that can accept a single properties object (props) as its parameter and emits a React element as its return value.
Function Declaration (JS)
A function declaration is a function created without assigning it to a variable.
Function Definition (JS)
A function definition is a function created without assigning it to a variable.
Function Expression (JS)
A function expression is a function that you create and assign to a variable.
function Keyword (JS)
A function keyword declares to browsers that a specific piece of code is a JavaScript function—not a mathematical or other generic function.
Function Name
A function's name allows you to create an identifier for your function, which you can use to reference it.
Function Statement (JS)
A function statement is a function created without assigning it to a variable.
Function's Body (JS)
A function's body is where you place a sequence of statements that you want to execute.