5.4.3. else if Statements¶
/*If-else statements allow us to construct two alternative paths.
A single condition determines which path will be followed. We can
build more complex conditionals using an else if clause. These allow
us to add additional conditions and code blocks, which facilitate more
complex branching.*/
let x = 10;
let y = 20;
if (x > y) {
console.log("x is greater than y");
} else if (x < y) {
console.log("x is less than y");
} else {
console.log("x and y are equal");
}
//x is less than y
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/*Regardless of the complexity of a conditional, no more than one of
the code blocks will be executed.*/
let x = 10;
let y = 20;
if (x > y) {
console.log("x is greater than y");
} else if (x < y) {
console.log("x is less than y");
} else if (x % 5 === 0) {
console.log("x is divisible by 5");
} else if (x % 2 === 0) {
console.log("x is even");
}
//x is less than y
/*Even though both of the conditions x % 5 === 0 and x % 2 === 0
evaluate to true, neither of the associated code blocks is executed.
When a condition is satisfied, the rest of the conditional is
skipped.*/
Thank you!
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