grayscale()
CSS
function
converts the input image to grayscale. Its result is a
<filter-function>
.
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grayscale(amount)
amount
<number>
或
<percentage>
. A value of
100%
is completely grayscale, while a value of
0%
leaves the input unchanged. Values between
0%
and
100%
are linear multipliers on the effect. Default value when omitted is
1
. The initial value for interpolation is
0
.
grayscale(0) /* No effect */ grayscale(.7) /* 70% grayscale */ grayscale(100%) /* Completely grayscale */
| 规范 | 状态 |
|---|---|
|
Filter Effects Module Level 1
The definition of 'grayscale()' in that specification. |
工作草案 |
<filter-function>
blur()
brightness()
contrast()
drop-shadow()
hue-rotate()
invert()
opacity()
saturate()
sepia()