To decrement a number in JavaScript, you can use the -- operator. This operator subtracts 1 from the value of a number.
Here’s an example of how you can use the -- operator to decrement a number:
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let num = 10; num--; console.log(num); // Output: 9
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You can also use the -= operator to subtract a specific value from a number. For example:
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let num = 10; num -= 5; console.log(num); // Output: 5
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You can also use the Math.max() function to decrement a number. This function returns the maximum of a set of numbers. You can use it like this:
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let num = 10; num = Math.max(num - 1, 0); console.log(num); // Output: 9
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Finally, you can use the while loop to decrement a number. Here’s an example:
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let num = 10;
while (num > 0) {
num--;
}
console.log(num); // Output: 0
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