The ceil() method returns the value of a number rounded UPWARDS to the nearest integer.

In the following example we will use the ceil() method on different numbers:

1

1

5

6

-5

-5

Final code and demo is here

Demo

Math.ceil(x)'x' is required and should be a number

In the following example we will use the ceil() method on different numbers:

<script type="text/javascript">document.write(Math.ceil(0.60) + "<br />");The output of the code above will be:

document.write(Math.ceil(0.40) + "<br />");

document.write(Math.ceil(5) + "<br />");

document.write(Math.ceil(5.1) + "<br />");

document.write(Math.ceil(-5.1) + "<br />");

document.write(Math.ceil(-5.9));

</script>

1

1

5

6

-5

-5

Final code and demo is here

Demo

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