Baseline Widely available
The SVGPointList interface represents a list of DOMPoint objects.
An SVGPointList can be designated as read-only, which means that attempts to modify the object will result in an exception being thrown.
SVGPointList.length Read only
Returns the number of points in the list.
SVGPointList.numberOfItems Read only
Returns the number of points in the list.
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.
The following example shows an SVG which contains a <polyline> with five coordinate pairs. The points property returns an SVGPointList.
<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>
const example = document.getElementById("example");
console.log(example.points); // An SVGPointList
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