variable declaration

/ˈveəriəbəl dɪˈklɛəɹeɪʃən/

defining a variable in programming

In JavaScript, you declare a variable using the 'let' keyword.

This example shows how to create a variable in JavaScript.

Technology

technical

The process of creating a named storage location in a programming language to hold data.

Before using a variable, you must declare it in the code.

This means you need to define the variable before assigning a value to it.

Variable declarations are fundamental in programming and vary by language syntax.

Collocations

declare a variableto create a variable in codevariable initializationassigning a value to a variable when declaring it

giving a value to a declared variable

the region of code where a variable is accessible

Use descriptive names for variables to improve code readability.

Always declare a variable before using it in code.

From 'variable' (Latin 'variabilis', meaning 'changeable') + 'declaration' (Latin 'declaratio', meaning 'statement').

In programming, variable declarations typically include the variable's name and data type.

variable

a storage location for data

root

declaration

the act of formally stating or defining

root

English Dictionary