ceil (JavaScript)
Rounds a number to an integer by truncating the fraction and adding 1.
Defined in
Math (JavaScript)| Parameter | Description |
|---|---|
| value | A number. See below for special cases. |
| Return value | Description |
|---|---|
| double | The number truncated to an integer, plus 1. |
Usage
Special cases are as follows:- Rounding NaN results in NaN.
- Rounding +Infinity results in positive infinity.
- Rounding -Infinity results in negative infinity.
- Rounding Number.MIN_VALUE or a lesser number results in 1.
- Rounding Number.MAX_VALUE or a greater number results in the maximum numeric value.
Math.ceil(x) equals -Math.floor(-x).
Examples
This edit box onblur event rounds the value of a numeric field by truncating the fraction and adding 1.sessionScope.n = Math.ceil(sessionScope.n)