Number 2/3
Rounding of Numbers
Rounding is one of the most frequent operations on the numbers. JavaScript provides several built-in functions for rounding which are given in the below table.
Function | Description | Example |
---|---|---|
Math.floor() | Rounds off to the lower limit | 3.1 becomes 3 , and -1.1 becomes -2 . |
Math.ceil() | Rounds off the number to the upper limit | 3.1 becomes 4 , and -1.1 becomes -1 . |
Math.round() | Rounds off the nearest integer when value is equal or greater than .5 | 3.1 becomes 3 , 3.6 becomes 4 , and 3.5 rounds up to 4 (the middle case) |
Aufgabe
Swipe to start coding
A variable named price
with the assigned value of 4.7
has been given to you. Your task is to round off this variable such that we get 4
as the output.
Lösung
9
1
2
let price = 4.7;
console.log(Math.floor(price));
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Abschnitt 3. Kapitel 13
9
1
2
let price = 4.7;
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