how to structure if statements in if statements javascript code example

Example 1: javascript if else

var age=20;
if (age < 18) {
	console.log("underage");
} else {
	console.log("let em in!");
}

Example 2: javascript if or

let A = 1;
let B = 0;
if (A == 1 || B == 1){
  	// some code here
}