The result of the operation 20 || 5 will be:

In JavaScript, the double vertical bar “||” is indeed used as the logical OR operator. The logical OR operator in JavaScript returns the first operand if it is truthy, otherwise, it returns the second operand.

In the case of the expression “20 || 5”, both 20 and 5 are considered truthy values in JavaScript. Therefore, the result of the operation would be 20, which is the first truthy value encountered.

To illustrate this in code:

console.log(20 || 5); // Output: 20