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SVGPointList: appendItem() method

files/en-us/web/api/svgpointlist/appenditem/index.md

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{{APIRef("SVG")}}

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

Syntax

js-nolint
appendItem(obj)

Parameters

  • obj
    • : A {{domxref("DOMPoint")}} object containing the coordinates of the point to be appended.

Return value

The {{domxref("DOMPoint")}} object that was appended.

Exceptions

  • NoModificationAllowedError {{domxref("DOMException")}}
    • : Thrown if the list is read-only.

Examples

The following example shows an SVG which contains a {{SVGElement("polyline")}} with five coordinate pairs. A new {{domxref("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

{{Specifications}}

Browser compatibility

{{Compat}}