Вивчайте Number 3/3 | Data Types and Variables

Other Math Functions

JavaScript has a library by the name of Math that has many built-in mathematics functions and methods. Let’s look at a few of them.

Math.random():
The Math.random() is a function in JavaScript, that gives random numbers between 0 and 1 but not including 1, for example.


              123
            
console.log(Math.random());
console.log(Math.random());
console.log(Math.random());

As you can see we get three different numbers between 0 and 1.

Note:
You may get different output as Math.random() gives random numbers.

Math.max() and Math.min():
The Math.max() returns the greatest number of all the numbers passed in as an argument while Math.min() returns the smallest one.


              12
            
console.log(Math.max(3, 5, -10, 100, 1));
console.log(Math.min(1, 2, 6, 0, -15));

Math.pow(base, power):
The Math.pow(base, power) returns base raised to the given power, for example.


              1
            
console.log(Math.pow(2, 10));

Завдання

Swipe to start coding

The task is to find the volume of a cylinder. The radius and height variables are given to storing the radius and the height of the cylinder. The formula for the volume of the cylinder is:
V = πhr²
where π is the Math PI having the value of 3.1415, r is the radius, and h is the height. Your task is to create a new const variable named PI and store 3.1415 in it and implement this formula storing the result in a variable named volume.

Рішення

Summary

JavaScript provides the facility of rounding numbers.
We can check whether a variable is finite or infinite through the isFinite() function.
We can check whether a variable is a number or not through the isNaN() function.
The Math.random() function is used to get a random numeric value from 0 to 1(excluding 1).

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Секція 3. Розділ 14

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Other Math Functions

JavaScript has a library by the name of Math that has many built-in mathematics functions and methods. Let’s look at a few of them.

Math.random():
The Math.random() is a function in JavaScript, that gives random numbers between 0 and 1 but not including 1, for example.


              123
            
console.log(Math.random());
console.log(Math.random());
console.log(Math.random());

As you can see we get three different numbers between 0 and 1.

Note:
You may get different output as Math.random() gives random numbers.

Math.max() and Math.min():
The Math.max() returns the greatest number of all the numbers passed in as an argument while Math.min() returns the smallest one.


              12
            
console.log(Math.max(3, 5, -10, 100, 1));
console.log(Math.min(1, 2, 6, 0, -15));

Math.pow(base, power):
The Math.pow(base, power) returns base raised to the given power, for example.


              1
            
console.log(Math.pow(2, 10));

Завдання

Swipe to start coding

Рішення

Summary

JavaScript provides the facility of rounding numbers.
We can check whether a variable is finite or infinite through the isFinite() function.
We can check whether a variable is a number or not through the isNaN() function.
The Math.random() function is used to get a random numeric value from 0 to 1(excluding 1).

Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантів

Все було зрозуміло?

Дякуємо за ваш відгук!

Секція 3. Розділ 14

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Number 3/3

Other Math Functions

Рішення

Summary

Awesome!

Number 3/3

Other Math Functions

Рішення

Summary

Awesome!