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 January 2020.

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

Syntax

js
appendItem(obj)

Parameters

obj

An SVGPoint object containing the coordinates of the point to be appended.

Return value

The SVGPoint 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 SVGPoint 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
let example = document.getElementById("example");
let svgPoint = document.getElementById("svg").createSVGPoint();
svgPoint.y = 10;
svgPoint.x = 10;
console.log(example.points.appendItem(svgPoint));

Specifications

Specification
Scalable Vector Graphics (SVG) 2
# __svg__SVGNameList__appendItem

Browser compatibility

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