|
- const - JavaScript | MDN
The const declaration declares block-scoped local variables The value of a constant can't be changed through reassignment using the assignment operator, but if a constant is an object, its properties can be added, updated, or removed
- JavaScript const - W3Schools
When to use JavaScript const? Always declare a variable with const when you know that the value should not be changed Use const when you declare: A new Array A new Object A new Function A new RegExp
- const (computer programming) - Wikipedia
In some programming languages, const is a type qualifier (a keyword applied to a data type) that indicates that the data is read-only
- The const keyword - C# reference | Microsoft Learn
You use the const keyword to declare a constant field or a local constant Constant fields and locals aren't variables and can't be modified Constants can be numbers, Boolean values, strings, or a null reference Don’t create a constant to represent information that you expect to change at any time
- JavaScript const - GeeksforGeeks
const is block-scoped, similar to let, and is useful for ensuring immutability in your code Unlike let, the primary feature of const is that it cannot be reassigned once it has been initialized Syntax const variable = value; const is used to declare a variable and assign a value to it
- JavaScript const: Declaring Constants in ES6
ES6 provides a new way of declaring a constant by using the const keyword The const keyword creates a read-only reference to a value By convention, the constant identifiers are in uppercase Like the let keyword, the const keyword declares blocked-scope variables
- JavaScript const Keyword: A Complete Tutorial with Examples
The const keyword in JavaScript is used for declaring variables that you don’t want to be reassigned It is a best practice to use const for variables that should not change to make your code more predictable and reduce errors
- JavaScript Const: Constant Variable Declaration and Usage
The const keyword in JavaScript is used to declare constants – variables whose values cannot be reassigned once they are initialized This immutability brings a new level of predictability and safety to your code, helping to prevent accidental reassignments and potential bugs
|
|
|