stroke-linejoin

Defines how the corners of an SVG path or shape should look when two lines meet. Options include sharp (miter), rounded (round), or flattened (bevel).

It is documented as part of the Scalable Vector Graphics specification.

/* Usage Example */
polygon.star {
  /* Smooths out the sharp corners where the star's lines meet */
  stroke-linejoin: round;
}

/* Syntax */
stroke-linejoin: miter;
stroke-linejoin: miter-clip;
stroke-linejoin: round;
stroke-linejoin: bevel;
stroke-linejoin: arcs;

/* Global values */
stroke-linejoin: inherit;
stroke-linejoin: initial;
stroke-linejoin: revert;
stroke-linejoin: revert-layer;
stroke-linejoin: unset;
Widely available Since 2020 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2020.

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