DOMMatrixReadOnly: is2D property

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.

Note: This feature is available in Web Workers.

The readonly is2D property of the 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.

Value

A Boolean value.

Examples

// 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