comparison to text in javascript w3schools code example

Example 1: or operator in javascript

//The OR operator in Javascript is 2 verticals lines: ||

var a = true;
var b = false;

if(a || b) {
	//one of them is true, code inside this block will be executed
}

Example 2: javascript if not

var isDay = false;
if (!isDay) { //Will execute if isDay is false
  console.log("It's night");
}