The <number>
CSS data type represents a number, being either an integer or a number with a fractional component.
The syntax of <number>
extends the syntax of <integer>
. A fractional value is represented by a .
followed by one or more decimal digits, and may be appended to an integer. There is no unit associated with numbers.
When animated, values of the <number>
CSS data type are interpolated as real, floating-point numbers. The speed of the interpolation is determined by the timing function associated with the animation.
12 A raw <integer> is also a <number>. 4.01 Positive fraction -456.8 Negative fraction 0.0 Zero +0.0 Zero, with a leading + -0.0 Zero, with a leading - .60 Fractional number without a leading zero 10e3 Scientific notation -3.4e-2 Complicated scientific notation
12. Decimal points must be followed by at least one digit. +-12.2 Only one leading +/- is allowed. 12.1.1 Only one decimal point is allowed.
Specification | Status | Comment |
---|---|---|
CSS Values and Units Module Level 3 The definition of '<number>' in that specification. | Candidate Recommendation | No significant change. |
CSS Level 2 (Revision 1) The definition of '<number>' in that specification. | Recommendation | Explicit definition. |
CSS Level 1 The definition of '<number>' in that specification. | Recommendation | Implicit definition. |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 1 | Yes | 1 | 5 | Yes | 1 |
Scientific notation | 43 | Yes | 29 | 11 | ? | ? |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Scientific notation | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
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https://developer.mozilla.org/en-US/docs/Web/CSS/number