all variable in javascript

mao somith answered on July 12, 2023 Popularity 2/10 Helpfulness 1/10

answer all variable in javascript

all variable in javascript

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// Using var
var x = 5;
var message = "Hello, world!";

function myFunction() {
  var y = 10;
  console.log(x); // Accessible within the function
  console.log(y);
}

console.log(x); // Accessible globally
// console.log(y); // Error: y is not defined

// Using let
let a = 2;
{
  let b = 3;
  console.log(a); // Accessible within the block
  console.log(b);
}
console.log(a); // Accessible globally
// console.log(b); // Error: b is not defined

// Using const
const PI = 3.14159;
console.log(PI);

// PI = 3.14; // Error: Assignment to constant variable

Popularity 2/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: javascript

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Contributed on Jul 12 2023

mao somith

0 Answers Avg Quality 2/10

all variable in javascript

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