const let var
var greeter;
console.log(greeter); // greeter is undefined
greeter = "say hello"const let var
var greeter;
console.log(greeter); // greeter is undefined
greeter = "say hello"const let var
var makes real ice cubes that rattle around in New York
let makes real ice cubes in Manhatten
const is like let but the ice cubes never change because they are plasticvar let const javascript
// `let` vs `var` vs `const` in 'javascript'
"let" allows you to declare local variable whose scope
is limited to the block statement.
"var" allows you to declare a variable globally or locally
to an entire function.
"Const" just like let, are block-scoped.
It's value can't be reassigned and it can't be redeclared.what is the different between var and let and const in js
var tester = "hey hi";
function newFunction() {
var hello = "hello";
}
console.log(hello); // error: hell
o is not definedCopyright © 2021 Codeinu
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