Summary  
This chapter introduces the OR (`||`) logical operator for combining boolean expressions into a single condition that evaluates to true if any subexpression is true, and demonstrates using it in `if`/`else` statements—printing messages based on whether a value falls outside a specified range.

General domain of usage  
Input validation and range checking

The `||` (OR) operator is used for defining the **"or"** relation between two or more expressions.

It returns true if **any** of the expressions evaluate to `true`. 

Example:


let a = 9;

if(a < 10 || a > 30) {
  console.log("Condition Matched");
}

The above code output `"Condition Matched"` when a is less than 10 **OR** a is greater than 30.

What is the result of the following expression if `x = 5`?

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OR Logical Operator

OR Logical Operator