JavaScript | Math.trunc( ) Function

The Math.trunc() function in JavaScript 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 function accepts a single parameter value . It is the floating-point number which is to be sent to the Math.trunc() function.

Return Value: The Math.trunc() function returns the integer part of the given number.

Below example illustrates the Math.trunc() function in JavaScript:

• Example 1: When a positive number of float type is passed as a parameter:
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  <script type="text/javascript">    document.write(Math.trunc(15.56));          </script>

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  Output:

  15

• Example 2: When a negative number of float type is passed as a parameter:

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  Output:

  -15

• Example 3: When a positive number between 0 and 1 is passed as a parameter:
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  <script type="text/javascript">    document.write(Math.trunc(0.236));          </script>

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  Output:

  0

• Example 4: When a negative number between 0 and 1 is passed as a parameter:
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  <script type="text/javascript">    document.write(Math.trunc(-0.236));          </script>

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  Output:

  0

Supported Browsers: The browsers supported by JavaScript Math.trunc( ) Function are listed below:

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

Shubrodeep Banerjee

I am a technology enthusiast who has a keen interest in programming I am pursuing Engineering in Computer Science from GEU, Dehradun I like to unwind by watching movies and English sitcomsI have a keen interest in music