<integer>
Quick Summary for <integer>
<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 column-count, counter-increment, grid-column, grid-row, and z-index.
Code Usage for <integer>
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 - More Details for <integer>
<integer>
The <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 column-count, counter-increment, grid-column, grid-row, and z-index.
Syntax
The <integer> data type consists of one or several decimal digits, 0 through 9 inclusive, optionally preceded by a single + or - 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.
Interpolation
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.
Examples
Valid integers
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 - Invalid integers
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.
Specifications
| Specification |
|---|
| CSS Values and Units Module Level 5 # integers |
See also
<number> Last modified: Nov 21, 2021, by MDN contributors
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"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."
I just checked google books for BFG, and the dedication is there.
https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1
Roald Dahl, 1986
