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JavaScript - if...else statement
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In this article, we would like to show you how to use if...else statement in JavaScript.
The if statement executes a statement if a specified condition is truthy. If the condition is falsy, another statement can be executed using else if or else keyword.
xxxxxxxxxx1
if (condition) {2
// statement 13
} else {4
// statement 25
}xxxxxxxxxx1
let x = 1;2
3
if (x == 1) {4
console.log('x is equal to 1');5
} else {6
console.log('x is not equal to 1');7
}Output:
xxxxxxxxxx1
x is equal to 1xxxxxxxxxx1
let x = 1;2
3
if (x > 0) {4
console.log('x is a positive number');5
} else if (x < 0) {6
console.log('x is a negative number');7
} else {8
console.log('x is equal to 0');9
}Output:
xxxxxxxxxx1
x is a positive number