The else Statement
Use the else statement to specify a block of code to be executed if a condition is false .
if (
condition
) {
//
block of code to be executed if the condition is true
}
else {
//
block of code to be executed if the condition is false
}if (hour < 18) {
greeting = "Good day";
}
else {
greeting = "Good evening";
}The else if Statement
Use the else if statement to specify a new condition if the first is false .
Syntax
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
}if (time < 10) {
greeting = "Good morning";
}
else if (time < 20) {
greeting = "Good day";
}
else {
greeting = "Good evening";
}Example
let text;
if (Math.random() < 0.5) {
text = "<a href='https://example.com ExampleSite</a>"; } else { text = "<a href='https://wwf.org'>Visit WWF</a>"; } document.getElementById("demo").innerHTML = text;