Math.ceil() Method - Math Functions

Math.Ceil() method of Math Functions in Javascript.
How to round off to greater value of a number in javascript?


Object: Math
Method: Math.ceil()
Description: To get the number rounded to the next greater value of a number. The below example will round off to greater value of a number using math functions.


<input type=button onclick="ceil()" name="button" value="ceil a number">
<script type="text/javascript">
function ceil(){
ceilval = prompt("Enter a number:", " ");
alert('Round off value of the number is::'+Math.ceil(ceilval));


In the above example,
  • User is prompted to enter a number.
  • Math.ceil() function is used to return the ceiled result as an alert.

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