This translation is incomplete. Please help translate this article from English.
This is an experimental technology, part of the ECMAScript 2016 (ES7) proposal.
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future version of browsers as the spec changes.
El mètode estàtic SIMD.%type%.extractLane() retorna el valor d'una ruta donada.
Sintaxi
SIMD.Float32x4.extractLane(t, index) SIMD.Float64x2.extractLane(t, index) SIMD.Int8x16.extractLane(t, index) SIMD.Int16x8.extractLane(t, index) SIMD.Int32x4.extractLane(t, index) SIMD.Bool8x16.extractLane(t, index) SIMD.Bool16x8.extractLane(t, index) SIMD.Bool32x4.extractLane(t, index)
Paràmetres
- t
- Una instància d'un tipus SIMD corresponent.
- index
- Un nombre índex per la ruta d'extreure.
Return value
The value of the extracted lane.
Errors thrown
- A
TypeError, sitis not the corresponding SIMD type. - A
RangeError, if the laneindexis out of bounds.
Exemples
var t = SIMD.Float32x4(1, 2, 3, 4); SIMD.Float32x4.extractLane(t, 2); // 3
Especificacions
| Especificació | Estat | Comentaris |
|---|---|---|
| SIMD The definition of 'SIMDConstructor.extractLane' in that specification. |
Draft | Definició inicial. |
Compatibilitat amb navegadors
| Característica | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Suport bàsic | Not supported | Nightly build | Not supported | Not supported | Not supported |
| Característica | Android | Chrome per Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Suport bàsic | Not supported | Not supported | Nightly build | Not supported | Not supported | Not supported |