JavaScript Math ceil( ) Method

Below is the example of the Math ceil() Method.

• Example:
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  <script type="text/javascript">          document.write("Result : " + Math.ceil(.89)); </script>

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• Output:

  Result : 1

The Math.ceil method is used to return the smallest integer greater than or equal to a given number. The ceil() is always used as Math.ceil() since it is a static method of Math.

Syntax:

Math.ceil(value)

Parameters: This method accepts single parameter asmentioned above and described below:

• Value: It is the value which is to be tested for Math.ceil.

Return Value: The Math.ceil() method returns the smallest integer greater than or equal to the given number.

Below examples illustrate the Math ceil() method in JavaScript:

Input : Math.ceil(.89)
Output: 1

Input :  Math.ceil(-89.02)
Output : -89

Input : Math.ceil(0)
Output : 0

More codes for the above method are as follows:

Program 1: When a negative number is passed as a parameter.

Output:

Result : -89

Program 2: When zero is passed as a parameter.

Output:

Result : 0

Supported Browsers:

• Google Chrome
• Internet Explorer
• Firefox
• Opera
• Safari

Shubrodeep Banerjee

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