js variables
// JS Variables
var varExample = "var"; // var is use for variable in js the problem with it that it has complicated scope
let letExample = "let"; // let is pretty much same as var the only thing which make its more varriable is its variable scope.
const constExample = "const"; // const is use for constant values and this variable scope is sane as letjs var
function x() {
y = 1; // Genera un ReferenceError in strict mode
var z = 2;
}
x();
console.log(y); // scrive "1" in console
console.log(z); // Genera un ReferenceError: z non è definita fuori dalla funzione xCopyright © 2021 Codeinu
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