Exploring Modern JavaScript Features Part 2 : Let and Const
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Part 1 : • Exploring Modern JavaScript Features ...
0:01: Let and const introduction
ECMAScript 2015, also known as ES6 or ECMAScript 2015, is a major update to the JavaScript programming language. It introduced many new features and enhancements to improve the syntax and functionality of JavaScript. ES6 was a significant step forward for the language and laid the foundation for subsequent ECMAScript versions. Here are some key features introduced in ES6:
2) ## Let and Const
The let and const keywords were introduced in ECMAScript 2015 (ES6) to declare variables in JavaScript.
let and const were introduced for variable declarations.
The let keyword is used to declare variables whose values can be reassigned.
The const keyword is used to declare constants. Once a value is assigned to a constant, it cannot be reassigned.
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