Web Reference: Difference Between var, let and const The difference between var, let, and const lies in scoping mechanisms, reassignment rules, and JavaScript hoisting. Modern JavaScript standards recommend avoiding var to minimize unintentional bugs. Jul 8, 2025 · The const declaration creates an immutable reference to a value. It does not mean the value it holds is immutable — just that the variable identifier cannot be reassigned. const is strictly read-only. It requires an initial value immediately upon declaration and cannot be reassigned later. Note on const objects: You cannot reassign a const variable with a completely new value, you can still change the properties of an object or array declared with const.
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Const Vs Immutable Plus Shallow Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $33M - $40M
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Last Updated: June 19, 2026
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