Output: False value, because here boolean condition expression is false.
console.log( value ); // undefined
Comments help us understand that what is going on here. In our code, we use single-line comments or multi-line comments. It is similar to C / C++ programming language. For single-line, we use forward slash // and for multi-line /*…*/. For example —
primitive data type
Object type data
The most important part of any programming language is a variable concept. From the C/C++ programming language, we know that a variable has multiple data types and before the variable name it must be declared…