JavaScript Math.ceil() Method
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JavaScript Math.ceil() Method
The Math.ceil() method returns a number representing the nearest integer which is greater than or equal to the given number.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
var result = Math.ceil(4.2);
document.write(result);
</script>
</body>
</html>
Syntax
Math.ceil(x)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| x | Required | Specifies a number. |
Return Values
| Value | Explanation |
|---|---|
| Number | Returns a number representing the nearest integer which is greater than or equal to the given number. |
| 0 | If null is passed as a value, i.e, Math.ceil(null). |
More Examples
Example
HTML Online Editor
Math.ceil(null); // 0
Math.ceil(-4.2); // -4
Math.ceil(-4.6); // -4
Math.ceil(-4); // -4
Math.ceil(4); // 4
Math.ceil(4.2); // 5
Math.ceil(4.6); // 5
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