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HomeWeb Front-endJS TutorialFind quotients and remainders by dividing integers in JavaScript

在 JavaScript 中通过除整数求商和余数

Dividing an integer is a mathematical operation in which we divide a number into two parts: the quotient and the remainder. In JavaScript, we use this operation to perform various calculations and get the desired results. In this article, we will discuss how to find quotients and remainders by dividing integers in JavaScript.

algorithm

The algorithm for integer division in JavaScript is very simple. We divide the number into two parts: the quotient and the remainder. The quotient is the result of division and the remainder is what is left after division.

method 1

In this method, we use the Math.floor() function to find the quotient and the modulo operator (%) to find the remainder. The Math.floor() function returns the largest integer less than or equal to the given number. In this case it returns the quotient. The modulo operator returns the remainder after dividing a number by a divisor.

var quotient = Math.floor(number/divisor);
var remainder = number % divisor;

Example 1

var number = 14;
var divisor = 3;
var quotient = Math.floor(number/divisor);
var remainder = number % divisor;
console.log("Quotient: " + quotient);
console.log("Remainder: " + remainder);

Method 2

In this method, we use parseInt() function to find the quotient and subtraction to find the remainder. The parseInt() function returns an integer by removing the decimal part of the number. In this case it returns the quotient. To find the remainder, we subtract the product of the quotient and the divisor from the number.

var quotient = parseInt(number/divisor);
var remainder = number - quotient * divisor;

Example 2

var number = 14;
var divisor = 3;
var quotient = parseInt(number/divisor);
var remainder = number - quotient * divisor;
console.log("Quotient: " + quotient);
console.log("Remainder: " + remainder);

in conclusion

In this article, we discussed how to find quotients and remainders by dividing integers in JavaScript. We looked at two different approaches, one using the "Math.floor()" function and the modulo operator, and the other using the "parseInt()" function and subtraction. We also provide two working examples to show how the code can be used in real applications. By following these methods, you can easily find quotients and remainders in JavaScript.

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