JavaScript Code

If Statement

if (condition) {
  //code
}

• if is keyword
• condition is a boolean expression
• code is any valid JavaScript code

if condition is true, then if-block code is run.

Examples

1. check if number in a is even

a = 10;

if (a%2 == 0) {
  console.log("a is even.");
}

2. check if supplies are good (greater than 5)

supplies = 10;

if (supplies > 5) {
  console.log("Supplies are good.");
}