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JavaScript Math floor() Method

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



Parameters: This method accepts a single parameter as mentioned above and described below: 

  • Value: It is the value that 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 is an example of the Math floor() Method. 

Example 1: This example rounds off the value of the parameter to 0.


console.log("Result : " + Math.floor(.89));


Result : 0

Example 2: When a negative number is passed as a parameter. 


console.log("Result : " + Math.floor(-89.02));


Result : -90

Example 3: When zero is passed as a parameter.


console.log("Result : " + Math.floor(0));


Result : 0

We have a complete list of Javascript Math Objects methods, to check those please go through this Javascript Math Object Complete reference article.

Supported Browsers: 

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

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Last Updated : 01 Aug, 2023
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