DOMMatrixReadOnly: toJSON()-Methode
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
Die toJSON()
-Methode der DOMMatrixReadOnly
-Schnittstelle erstellt und gibt ein JSON
-Objekt zurück. Das JSON-Objekt enthält die 2D-Matrixelemente a
bis f
, die 16 Elemente der 4X4 3D-Matrix, m[1-4][1-4]
, die boolesche Eigenschaft is2D
und die boolesche Eigenschaft isIdentity
.
Syntax
js
toJSON()
Parameter
Keine.
Rückgabewert
Ein JSON
-Objekt; eine JSON-Darstellung des DOMMatrixReadOnly
-Objekts.
Beispiele
js
const matrix = new DOMMatrixReadOnly();
console.log(matrix.translate(20, 30).toJSON());
/*
{
"a": 1,
"b": 0,
"c": 0,
"d": 1,
"e": 20,
"f": 30,
"m11": 1,
"m12": 0,
"m13": 0,
"m14": 0,
"m21": 0,
"m22": 1,
"m23": 0,
"m24": 0,
"m31": 0,
"m32": 0,
"m33": 1,
"m34": 0,
"m41": 20,
"m42": 30,
"m43": 0,
"m44": 1,
"is2D": true,
"isIdentity": false
}
*/
console.log(matrix.translate(22, 55, 66).toJSON());
/*
{
"a": 1,
"b": 0,
"c": 0,
"d": 1,
"e": 22,
"f": 55,
"m11": 1,
"m12": 0,
"m13": 0,
"m14": 0,
"m21": 0,
"m22": 1,
"m23": 0,
"m24": 0,
"m31": 0,
"m32": 0,
"m33": 1,
"m34": 0,
"m41": 22,
"m42": 55,
"m43": 66,
"m44": 1,
"is2D": false,
"isIdentity": false
}
*/
Spezifikationen
Specification |
---|
Geometry Interfaces Module Level 1 # dom-dommatrixreadonly-tojson |
Browser-Kompatibilität
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
toJSON() |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.