What are constants in JavaScript?
What are constants in JavaScript? Constants are immutable variables which value cannot be changed. Once, you have created a constant, its value cannot be changed. While coding in JavaScript, many times you may have come across a requirement to create constants. How do you make a constant in JavaScript? Introduction to the JavaScript const keyword 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. What is const...