JavaScript Math floor() Method

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

• Example:
  

javascript

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

• Output:
  

Result : 0

The Math.floor method is used to round off the number passed as a parameter to its nearest integer in Downward direction of rounding i.e. towards the lesser value.
Syntax:

Math.floor(value)

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

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

Return Value: The Math.floor() method returns the smallest integer greater than or equal to the given number.
Below examples illustrate the Math floor() method in JavaScript: 

• Example 1:
  

Input : Math.floor(.89)
Output: 0

• Example 2:
  

Input :  Math.floor(-89.02)
Output : -90

• Example 3:
  

Input : Math.floor(0)
Output : 0

More codes for the above method are as follows:
Program 1: When a negative number is passed as a parameter. 

javascript

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

Output:

Result : -90

Program 2: When zero is passed as a parameter. 

javascript

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

Output:

Result : 0

Supported Browsers:

• Google Chrome 1 and above
• Internet Explorer 3 and above
• Firefox 1 and above
• Opera 3 and above
• Safari 1 and above