Use trunc() method in JavaScript to get truncate number. Where this method returns the integer part of a number. It’ simply remove the decimals.
Note: This method will NOT round the number up/down to the nearest integer.
Syntax
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Math.trunc(num) |
Example of JavaScript truncate number | trunc( ) Method
Let’s cuts off the dot and the digits to the right of it in JS.
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<!DOCTYPE html> <html> <body> <script language="JavaScript"> var num = 10.85; var n = Math.trunc(num) alert(n); </script> </body> </html> |
Output:
Q: How to truncate float in JavaScript?
Answer: Use toFixed() function.
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(6.688689).toFixed(); // equal to 7 (6.688689).toFixed(1); // equal to 6.7 (6.688689).toFixed(2); // equal to 6.69 |
Do comment if you have any doubts and suggestion on this tutorial.
Note: All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version
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