What is the difference between var, let and const in JavaScript?
It happened to me with few junior JavaScript and few PHP mid/senior developers that they didn't know the answer and the bad side is that all of them had a decent experience in projects with JavaScript.
The difference is huge, Scope, Declaration and Re-declaration.
I was going to explain in details but found a very good article here that have all the details Var, let and const- what's the difference?
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