Web-Related Terms Beginning with L
lastIndexOf() JavaScript Array Method
lastIndexOf() searches its calling array for the last occurrence of the method's argument.
lastIndexOf() JavaScript String Method
lastIndexOf() searches its calling string for the last occurrence of the method's argument.
Lazy Quantifiers (RegExp)
Lazy quantifiers are quantifier operators that will automatically find the shortest part of the given string that matches the specified RegExp pattern.
Left-Hand Side Expression (JS)
A left-hand side expression is a piece of code on the left-hand side of an assignment operator.
Less than Operator (JS)
The less than operator (<) checks if its left operand is less than its right-hand one. If so, the Boolean value true gets returned. Otherwise, the computer will return false.
Less than or Equal to Operator (JS)
The less than or equal to operator (<=) checks if its left operand is less than or equal to the one on the right-hand. If so, the Boolean value true gets returned. Otherwise, the computer will return false.
Lexical
Lexical refers to the definition of things.
Lexical Scope
Lexical scope is the definition area of an expression.
Lexicon
A lexicon is a dictionary where words are listed and defined.
Library
A library is a codebase written to serve as an add-on feature to your application.
Lifecycle (ReactJS)
The lifecycle of a React component refers to the series of stages a component instance goes through from its creation to its total removal from the DOM.
Lifecycle Methods (ReactJS)
Lifecycle methods are the inbuilt React methods you can use to operate on your components during their lifecycle in the DOM.
Locally Installed Package
A locally installed package is one that you can use only in the project in which you've installed it.
Logic (JS)
Logic is the analytical action performed by a computer, which often requires the computer to decide if a specific condition is true or false.
Logical Expression (JS)
A logical expression is a piece of code that expresses the Boolean values, true or false.
Loop Statement (JS)
A loop statement is any piece of code that allows you to repeat a program's execution easily and quickly.