Why am i getting 'uncaught referenceerror: variablename is not defined'?

Example:

console.log(variableName);
Solution:

This error occurs when you try to use a variable that hasn't been declared. Always declare your variables using `let`, `const`, or `var` before using them.


let variableName = 'Hello World';
console.log(variableName);

Beginner's Guide to JavaScript