New page: DOMMatrixReadOnly.is2d #37169
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(comment last updated: 2025-01-12 02:59:57) |
wbamberg
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Jan 9, 2025
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| {{APIRef("Geometry Interfaces")}}{{AvailableInWorkers}} | ||
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| The readonly **`is2D`** property of the {{domxref("DOMMatrixReadOnly")}} interface is a Boolean flag that is `true` when the matrix is 2D. The value is `true` if the matrix was initialized as a 2D matrix and only 2D transformation operations were applied. Otherwise, the matrix is defined in 3D, and `is2D` is `false`. |
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Boolean or boolean? We use "boolean" down in Value.
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| The readonly **`is2D`** property of the {{domxref("DOMMatrixReadOnly")}} interface is a Boolean flag that is `true` when the matrix is 2D. The value is `true` if the matrix was initialized as a 2D matrix and only 2D transformation operations were applied. Otherwise, the matrix is defined in 3D, and `is2D` is `false`. | ||
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| ## Syntax |
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Property pages don't have Syntax: https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines/Page_structures/Page_types/API_property_subpage_template
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| The identity matrix is one in which every value is `0` _except_ those on the main diagonal from top-left to bottom-right corner (in other words, where the offsets in each direction are equal). | ||
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| ## Syntax |
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As above, property pages don't have Syntax: https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines/Page_structures/Page_types/API_property_subpage_template
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| ```js | ||
| // Initialize a 2D matrix | ||
| const matrix = new DOMMatrix(); // create a matrix | ||
| console.log(matrix.is2D); // output: true | ||
| // Transform in a 2D space | ||
| console.log(matrix.rotate(30).is2D); // output: true | ||
| // Apply a 3D transform | ||
| console.log(matrix.rotate(10, 20, 1).is2D); // output: false | ||
| ``` |
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This is a mad picky comment, but I think it's more readable with whitespace:
Suggested change
| ```js | |
| // Initialize a 2D matrix | |
| const matrix = new DOMMatrix(); // create a matrix | |
| console.log(matrix.is2D); // output: true | |
| // Transform in a 2D space | |
| console.log(matrix.rotate(30).is2D); // output: true | |
| // Apply a 3D transform | |
| console.log(matrix.rotate(10, 20, 1).is2D); // output: false | |
| ``` | |
| ```js | |
| // Initialize a 2D matrix | |
| const matrix = new DOMMatrix(); // create a matrix | |
| console.log(matrix.is2D); // output: true | |
| // Transform in a 2D space | |
| console.log(matrix.rotate(30).is2D); // output: true | |
| // Apply a 3D transform | |
| console.log(matrix.rotate(10, 20, 1).is2D); // output: false |
Optional, but if you do it here do it for the other page too.
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part of openwebdocs/project#214