<integer>

语法

<integer> 数据类型由一个或多个十进制数字（0 到 9，包括 0 和 9）组成，前面可选带一个 + 或 - 号。整数没有关联的单位。

插值

在动画中，<integer> 数据类型的值使用离散的整步进行插值。计算过程如同它们是实数、浮点数一样；离散值通过向下取整函数获得。插值的速度由与动画关联的缓动函数决定。

示例

有效整数

12          Positive integer (without a leading + sign)
+123        Positive integer (with a leading + sign)
-456        Negative integer
0           Zero
+0          Zero, with a leading +
-0          Zero, with a leading -

无效整数

12.0        This is a <number>, not an <integer>, though it represents an integer.
12.         Decimal points are not allowed.
+---12      Only one leading +/- is allowed.
ten         Letters are not allowed.
_5          Special characters are not allowed.
\35         Escaped Unicode characters are not allowed, even if they are an integer (here: 5).
\4E94       Non-arabic numerals are not allowed, even when escaped (here: the Japanese 5, 五).
3e4         Scientific notation is not allowed.

规范

浏览器兼容性

另见

• <number>