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()Â 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.
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.