where to place if statement in javascript code example

Example 1: javascript if statement

if (5 < 10) {
	console.log("5 is less than 10");
} else {
	console.log("5 is now bigger than 10")
}

Example 2: javascript if or

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