how to write if else in javascript code example

Example 1: js if else

If - Else Statements
if (condition) {
// what to do if condition is met
} else {
// what to do if condition is not met
}

Example 2: else statement

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

Example 3: javascript if or

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

Example 4: javascript if else

/* Shorten if-else by ternary operator*/
const go = "yes"
let race = null

race = go === "yes" ? 'Green Light' : 'Red Light';