<circle> - SVG: Scalable Vector Graphics 编辑

The <circle> SVG element is an SVG basic shape, used to draw circles based on a center point and a radius.

html,body,svg { height:100% }

<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
  <circle cx="50" cy="50" r="50"/>
</svg>

Attributes

cx

The x-axis coordinate of the center of the circle.
Value type: <length>|<percentage> ; Default value: 0; Animatable: yes

cy

The y-axis coordinate of the center of the circle.
Value type: <length>|<percentage> ; Default value: 0; Animatable: yes

r

The radius of the circle. A value lower or equal to zero disables rendering of the circle.
Value type: <length> ; Default value: 0; Animatable: yes

pathLength

The total length for the circle's circumference, in user units.
Value type: <number> ; Default value: none; Animatable: yes

Note: Starting with SVG2, cx, cy, and r are Geometry Properties, meaning those attributes can also be used as CSS properties for that element.

Global attributes

Core Attributes

Most notably: id, tabindex

Styling Attributes

class, style

Conditional Processing Attributes

Most notably: requiredExtensions, systemLanguage

Event Attributes

Global event attributes, Graphical event attributes

Presentation Attributes

Most notably: clip-path, clip-rule, color, color-interpolation, color-rendering, cursor, display, fill, fill-opacity, fill-rule, filter, mask, opacity, pointer-events, shape-rendering, stroke, stroke-dasharray, stroke-dashoffset, stroke-linecap, stroke-linejoin, stroke-miterlimit, stroke-opacity, stroke-width, transform, vector-effect, visibility

ARIA Attributes

aria-activedescendant, aria-atomic, aria-autocomplete, aria-busy, aria-checked, aria-colcount, aria-colindex, aria-colspan, aria-controls, aria-current, aria-describedby, aria-details, aria-disabled, aria-dropeffect, aria-errormessage, aria-expanded, aria-flowto, aria-grabbed, aria-haspopup, aria-hidden, aria-invalid, aria-keyshortcuts, aria-label, aria-labelledby, aria-level, aria-live, aria-modal, aria-multiline, aria-multiselectable, aria-orientation, aria-owns, aria-placeholder, aria-posinset, aria-pressed, aria-readonly, aria-relevant, aria-required, aria-roledescription, aria-rowcount, aria-rowindex, aria-rowspan, aria-selected, aria-setsize, aria-sort, aria-valuemax, aria-valuemin, aria-valuenow, aria-valuetext, role

Usage notes

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Other SVG basic shapes: <ellipse>, <line>, <polygon>, <polyline>, <rect>