if statement javscript code example

Example 1: else if javascrit

if (condition1) {
  //  block of code to be executed if condition1 is true
 }
else if (condition2) {
  //  block of code to be executed if the condition1 is false and 
  //  condition2 is true
} else {
  //  block of code to be executed if the condition1 is false and 
  //  condition2 is false
 }

Example 2: javascript if else

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

Example 3: else if javascript

if (condition1) {
  // code to be executed if condition1 is true
} else if (condition2) {
  // code to be executed if the condition1 is false and condition2 is true
} else {
  // code to be executed if the condition1 is false and condition2 is false
}