<integer> CSS data type is a special type of
<number> that represents a whole number, whether positive or negative. Integers can be used in numerous CSS properties, such as
<integer> data type consists of one or several decimal digits, 0 through 9 inclusive, optionally preceded by a single
- sign. There is no unit associated with integers.
Note: There is no official range of valid
<integer> values. Opera 12.1 supports values up to 2^15 - 1, IE up to 2^20 - 1, and other browsers even higher. During the CSS3 Values cycle there was a lot of discussion about setting a minimum range to support: the latest decision, in April 2012 during the LC phase, was [-2^27 - 1; 2^27 - 1], but other values like 2^24 - 1 and 2^30 - 1 were also proposed. However, the latest spec doesn't specify a range anymore.
When animated, values of the
<integer> data type are interpolated using discrete, whole steps. The calculation is done as if they were real, floating-point numbers; the discrete value is obtained using the floor function. The speed of the interpolation is determined by the timing function associated with the animation.
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 -
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.
|CSS Values and Units Module Level 3 (CSS Values 3)|
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