JavaScript Lecture 7 | what is var, const, and let | How to write variable name in JavaScript

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JavaScript Lecture 7 | what is var, const, and let | How to write variable name in javascript
In this lecture, you will learn, what is var, const, and let. and How to write variable name in javascript.
What is var, const, and let ❓
In JavaScript, users can declare a variable using 3 keywords that are var, let, and const. ... It means variables defined outside the function can be accessed globally, and variables defined inside a particular function can be accessed within the function.
`const` is a signal that the identifier won't be reassigned. `let` is a signal that the variable may be reassigned, such as a counter in a loop, or a value swap in an algorithm. It also signals that the variable will be used only in the block it's defined in, which is not always the entire containing function.
Course Outline
✅ JS Introduction, ✅ JS Where To, ✅ JS Output, ✅ JS Statements, ✅ JS Syntax, ✅ JS Comments, ✅ JS Variables, ✅ JS Let, ✅ JS Const, ✅ JS Operators, ✅ JS Arithmetic, ✅JS Assignment, ✅ JS Data Types, ✅ JS Functions, ✅ JS Objects, ✅ JS Events, ✅ JS Strings, ✅ JS String Methods, ✅ JS String Search, ✅ JS String Templates, ✅ JS Numbers, ✅ JS Number Methods, ✅ JS Arrays, ✅ JS Array Methods, ✅ JS Array Sort, ✅ JS Array Iteration, ✅ JS Array Const, ✅ JS Dates, ✅ JS Date Formats, ✅ JS Date Get Methods, ✅ JS Date Set Methods, ✅ JS Math, ✅ JS Random, ✅ JS Booleans
✅ JS Comparisons, ✅ JS Conditions, ✅ JS Switch, ✅ JS Loop For, ✅ JS Loop For In, ✅JS Loop For Of, ✅ JS Loop While, ✅ JS Break, ✅ JS Iterables, ✅ JS Sets, ✅JS Maps, ✅ JS Typeof, ✅ JS Type Conversion, ✅JS Bitwise, ✅ JS RegExp, ✅ JS Errors, ✅ JS Scope, ✅ JS Hoisting, ✅ JS Strict Mode, ✅ JS this Keyword, ✅JS Arrow, ✅ Function, ✅ JS Classes, ✅ JS Modules

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