JavaScript Math ceil( ) Method

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

Example:

<script type="text/javascript">

document.write("Result : " + Math.ceil(.89));

</script>
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:

Example 1:

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

Example 2:

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

Example 3:

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.

<script type="text/javascript"> 
         document.write("Result : " + Math.ceil(-89.02)); 
</script> 

Output:

Result : -89

Program 2: When zero is passed as a parameter.

<script type="text/javascript"> 
         document.write("Result : " + Math.ceil(0)); 
</script> 

Output:

Result : 0

Supported Browsers:

Google Chrome
Internet Explorer
Firefox
Opera
Safari

My Personal Notes

Recommended Posts:

Shubrodeep Banerjee

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