let in javascript
The let statement declares a block scope local variable, optionally initializing it to a value.
let x = 1;
if (x === 1) {
let x = 2;
console.log(x);
// expected output: 2
}
console.log(x);
// expected output: 1let in javascript
The let statement declares a block scope local variable, optionally initializing it to a value.
let x = 1;
if (x === 1) {
let x = 2;
console.log(x);
// expected output: 2
}
console.log(x);
// expected output: 1const 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 plasticCopyright © 2021 Codeinu
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