JavaScript Math trunc() Method

The Javascript  Math.trunc() method is used to return the integer part of a floating-point number by removing the fractional digits. In other words, Math.trunc() function cuts off the dot and the digits to the right of it. 

Syntax:

Math.trunc(value)

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

• value. It is the floating-point number that is to be sent to the Math.trunc() function.

Return Value: The Math.trunc() method returns the integer part of the given number. More codes for the above method are as follows: 

Below is an example of the Math trunc() Method.

Example: When a positive float number passed as a parameter 

javascript

<script type="text/javascript">
    console.log(Math.trunc(15.56));
</script>

Output:

15

More coding examples are given below for a better understanding:

Example 1: When a negative number of a float type is passed as a parameter 

javascript

<script type="text/javascript">
    console.log(Math.trunc(-15.56));
</script>

Output:

-15

Example 2: When a positive number between 0 and 1 is passed as a parameter.

javascript

<script type="text/javascript">
    console.log(Math.trunc(0.236));
</script>

Output:

0

Example 3: When a negative number between 0 and 1 is passed as a parameter.

javascript

<script type="text/javascript">
    console.log(Math.trunc(-0.236));
</script>

Output:

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 38 and above
• Firefox 25 and above
• Opera 25 and above
• Safari 8 and above
• Edge 12 and above