SVGPointList: appendItem() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

The appendItem() method of the SVGPointList interface adds a DOMPoint to the end of the list.

Syntax

js
appendItem(obj)

Parameters

obj

A DOMPoint object containing the coordinates of the point to be appended.

Return value

The DOMPoint object that was appended.

Exceptions

NoModificationAllowedError DOMException

Thrown if the list is read-only.

Examples

The following example shows an SVG which contains a <polyline> with five coordinate pairs. A new DOMPoint is created, and appended to the list.

html
<svg id="svg" viewBox="-10 -10 120 120" xmlns="http://www.w3.org/2000/svg">
  <polyline
    id="example"
    stroke="black"
    fill="none"
    points="50,0 21,90 98,35 2,35 79,90" />
</svg>
js
const example = document.getElementById("example");
const point = document.getElementById("svg").createSVGPoint();
point.y = 10;
point.x = 10;
console.log(example.points.appendItem(point));

Specifications

Specification
Scalable Vector Graphics (SVG) 2
# __svg__SVGNameList__appendItem

Browser compatibility