TheSVGPointList interface represents a list ofDOMPoint objects.

AnSVGPointList can be designated as read-only, which means that attempts to modify the object will result in an exception being thrown.

Instance properties

SVGPointList.lengthRead only

Returns the number of points in the list.

SVGPointList.numberOfItemsRead only

Returns the number of points in the list.

Instance methods

SVGPointList.clear()

Removes all items in the list.

SVGPointList.initialize()

First removes all items in the list, then adds a single value to the list.

SVGPointList.getItem()

Gets an item from the list at a specified position.

SVGPointList.insertItemBefore()

Inserts an element into the list at a specified position.

SVGPointList.replaceItem()

Replaces an item in the list with a new item.

SVGPointList.removeItem()

Removes an item from the list.

SVGPointList.appendItem()

Adds an item to the end of the list.

Examples

The following example shows an SVG which contains a<polyline> with five coordinate pairs. Thepoints property returns anSVGPointList.

<svg viewBox="-10 -10 120 120" xmlns="http://www.w3.org/2000/svg">  <polyline       stroke="black"    fill="none"    points="50,0 21,90 98,35 2,35 79,90" /></svg>

const example = document.getElementById("example");console.log(example.points); // An SVGPointList

Specifications

Browser compatibility